The previous change causes compile failures with threaded Perls.

[perl5.git] / reentr.h

diff --git a/reentr.h b/reentr.h
index d72647b..ca526c4 100644 (file)
--- a/reentr.h
+++ b/reentr.h
@@ -1,17 +1,18 @@
-/*
+/* -*- buffer-read-only: t -*-
+ *
  *    reentr.h
  *
- *    Copyright (c) 1997-2002, Larry Wall
+ *    Copyright (C) 2002, 2003, 2005, 2006 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
  *
  *  !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
- *  This file is built by reentrl.pl from data in reentr.pl.
+ *  This file is built by reentr.pl from data in reentr.pl.
  */
 
 #ifndef REENTR_H
-#define REENTR_H 
+#define REENTR_H
 
 #ifdef USE_REENTRANT_API
  
@@ -40,6 +41,17 @@
 #   define NETDB_R_OBSOLETE
 #endif
 
+/*
+ * As of OpenBSD 3.7, reentrant functions are now working, they just are
+ * incompatible with everyone else.  To make OpenBSD happy, we have to
+ * memzero out certain structures before calling the functions.
+ */
+#if defined(__OpenBSD__)
+#    define REENTR_MEMZERO(a,b) memzero(a,b),
+#else
+#    define REENTR_MEMZERO(a,b)
+#endif 
+
 #ifdef NETDB_R_OBSOLETE
 #   undef HAS_ENDHOSTENT_R
 #   undef HAS_ENDNETENT_R
@@ -131,34 +143,39 @@
 #define REENTRANT_PROTO_I_SBWRE        43
 #define REENTRANT_PROTO_I_SD   44
 #define REENTRANT_PROTO_I_ST   45
-#define REENTRANT_PROTO_I_TISD 46
-#define REENTRANT_PROTO_I_TS   47
-#define REENTRANT_PROTO_I_TSBI 48
-#define REENTRANT_PROTO_I_TSBIR        49
-#define REENTRANT_PROTO_I_TSBWR        50
-#define REENTRANT_PROTO_I_TSR  51
-#define REENTRANT_PROTO_I_UISBWRE      52
-#define REENTRANT_PROTO_S_CBI  53
-#define REENTRANT_PROTO_S_CCSBI        54
-#define REENTRANT_PROTO_S_CIISBIE      55
-#define REENTRANT_PROTO_S_CSBI 56
-#define REENTRANT_PROTO_S_CSBIE        57
-#define REENTRANT_PROTO_S_CWISBIE      58
-#define REENTRANT_PROTO_S_CWISBWIE     59
-#define REENTRANT_PROTO_S_ICSBI        60
-#define REENTRANT_PROTO_S_ISBI 61
-#define REENTRANT_PROTO_S_LISBI        62
-#define REENTRANT_PROTO_S_SBI  63
-#define REENTRANT_PROTO_S_SBIE 64
-#define REENTRANT_PROTO_S_SBW  65
-#define REENTRANT_PROTO_S_TISBI        66
-#define REENTRANT_PROTO_S_TS   67
-#define REENTRANT_PROTO_S_TSBI 68
-#define REENTRANT_PROTO_S_TSBIE        69
-#define REENTRANT_PROTO_S_TWISBIE      70
-#define REENTRANT_PROTO_V_D    71
-#define REENTRANT_PROTO_V_H    72
-#define REENTRANT_PROTO_V_ID   73
+#define REENTRANT_PROTO_I_St   46
+#define REENTRANT_PROTO_I_TISD 47
+#define REENTRANT_PROTO_I_TS   48
+#define REENTRANT_PROTO_I_TSBI 49
+#define REENTRANT_PROTO_I_TSBIR        50
+#define REENTRANT_PROTO_I_TSBWR        51
+#define REENTRANT_PROTO_I_TSR  52
+#define REENTRANT_PROTO_I_TsISBWRE     53
+#define REENTRANT_PROTO_I_UISBWRE      54
+#define REENTRANT_PROTO_I_iS   55
+#define REENTRANT_PROTO_I_lS   56
+#define REENTRANT_PROTO_I_uISBWRE      57
+#define REENTRANT_PROTO_S_CBI  58
+#define REENTRANT_PROTO_S_CCSBI        59
+#define REENTRANT_PROTO_S_CIISBIE      60
+#define REENTRANT_PROTO_S_CSBI 61
+#define REENTRANT_PROTO_S_CSBIE        62
+#define REENTRANT_PROTO_S_CWISBIE      63
+#define REENTRANT_PROTO_S_CWISBWIE     64
+#define REENTRANT_PROTO_S_ICSBI        65
+#define REENTRANT_PROTO_S_ISBI 66
+#define REENTRANT_PROTO_S_LISBI        67
+#define REENTRANT_PROTO_S_SBI  68
+#define REENTRANT_PROTO_S_SBIE 69
+#define REENTRANT_PROTO_S_SBW  70
+#define REENTRANT_PROTO_S_TISBI        71
+#define REENTRANT_PROTO_S_TS   72
+#define REENTRANT_PROTO_S_TSBI 73
+#define REENTRANT_PROTO_S_TSBIE        74
+#define REENTRANT_PROTO_S_TWISBIE      75
+#define REENTRANT_PROTO_V_D    76
+#define REENTRANT_PROTO_V_H    77
+#define REENTRANT_PROTO_V_ID   78
 
 /* Defines for indicating which special features are supported. */
 
@@ -336,7 +353,7 @@
 #else
 #   undef  GETHOSTENT_R_HAS_PTR
 #endif
-#if defined(HAS_GETHOSTBYADDR_R) && (GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE)
+#if defined(HAS_GETHOSTBYADDR_R) && (GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_TsISBWRE)
 #   define GETHOSTBYADDR_R_HAS_PTR
 #else
 #   undef  GETHOSTBYADDR_R_HAS_PTR
@@ -362,7 +379,7 @@
 #else
 #   undef  GETNETENT_R_HAS_PTR
 #endif
-#if defined(HAS_GETNETBYADDR_R) && (GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE)
+#if defined(HAS_GETNETBYADDR_R) && (GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_uISBWRE)
 #   define GETNETBYADDR_R_HAS_PTR
 #else
 #   undef  GETNETBYADDR_R_HAS_PTR
@@ -440,7 +457,7 @@
 #else
 #   undef  GETHOSTENT_R_HAS_BUFFER
 #endif
-#if defined(HAS_GETHOSTBYADDR_R) && (GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBWIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CIISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TSBIE)
+#if defined(HAS_GETHOSTBYADDR_R) && (GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBWIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CIISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_TsISBWRE)
 #   define GETHOSTBYADDR_R_HAS_BUFFER
 #else
 #   undef  GETHOSTBYADDR_R_HAS_BUFFER
@@ -466,7 +483,7 @@
 #else
 #   undef  GETNETENT_R_HAS_BUFFER
 #endif
-#if defined(HAS_GETNETBYADDR_R) && (GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_LISBI || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_TISBI || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_LISBI)
+#if defined(HAS_GETNETBYADDR_R) && (GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_LISBI || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_TISBI || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_LISBI || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_uISBWRE)
 #   define GETNETBYADDR_R_HAS_BUFFER
 #else
 #   undef  GETNETBYADDR_R_HAS_BUFFER
@@ -544,7 +561,7 @@
 #else
 #   undef  GETHOSTENT_R_HAS_ERRNO
 #endif
-#if defined(HAS_GETHOSTBYADDR_R) && (GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBWIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CIISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TSBIE)
+#if defined(HAS_GETHOSTBYADDR_R) && (GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBWIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TWISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CIISBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TSBIE || GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_TsISBWRE)
 #   define GETHOSTBYADDR_R_HAS_ERRNO
 #else
 #   undef  GETHOSTBYADDR_R_HAS_ERRNO
@@ -570,7 +587,7 @@
 #else
 #   undef  GETNETENT_R_HAS_ERRNO
 #endif
-#if defined(HAS_GETNETBYADDR_R) && (GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE)
+#if defined(HAS_GETNETBYADDR_R) && (GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE || GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_uISBWRE)
 #   define GETNETBYADDR_R_HAS_ERRNO
 #else
 #   undef  GETNETBYADDR_R_HAS_ERRNO
@@ -599,7 +616,7 @@ typedef struct {
 #if CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD
        CRYPTD* _crypt_data;
 #else
-       struct crypt_data _crypt_struct;
+       struct crypt_data *_crypt_struct_buffer;
 #endif
 #endif /* HAS_CRYPT_R */
 #ifdef HAS_CTIME_R
@@ -715,6 +732,15 @@ typedef struct {
 #endif /* HAS_LOCALTIME_R */
 #ifdef HAS_RANDOM_R
        struct random_data _random_struct;
+#   if RANDOM_R_PROTO == REENTRANT_PROTO_I_iS
+       int     _random_retval;
+#   endif
+#   if RANDOM_R_PROTO == REENTRANT_PROTO_I_lS
+       long    _random_retval;
+#   endif
+#   if RANDOM_R_PROTO == REENTRANT_PROTO_I_St
+       int32_t _random_retval;
+#   endif
 #endif /* HAS_RANDOM_R */
 #ifdef HAS_READDIR_R
        struct dirent*  _readdir_struct;
@@ -734,6 +760,9 @@ typedef struct {
        char*   _setlocale_buffer;
        size_t  _setlocale_size;
 #endif /* HAS_SETLOCALE_R */
+#ifdef HAS_SRANDOM_R
+       struct random_data _srandom_struct;
+#endif /* HAS_SRANDOM_R */
 #ifdef HAS_STRERROR_R
        char*   _strerror_buffer;
        size_t  _strerror_size;
@@ -743,7 +772,7 @@ typedef struct {
        size_t  _ttyname_size;
 #endif /* HAS_TTYNAME_R */
 
-    int dummy; /* just in case */
+    int dummy; /* cannot have empty structs */
 } REENTR;
 
 /* The wrappers. */
@@ -757,17 +786,17 @@ typedef struct {
 #       define asctime(a) asctime_r(a, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size)
 #   endif
 #   if !defined(asctime) && ASCTIME_R_PROTO == REENTRANT_PROTO_I_SB
-#       define asctime(a) (((errno = asctime_r(a, PL_reentrant_buffer->_asctime_buffer))) == 0 ? PL_reentrant_buffer->_asctime_buffer : 0)
+#       define asctime(a) (asctime_r(a, PL_reentrant_buffer->_asctime_buffer) == 0 ? PL_reentrant_buffer->_asctime_buffer : 0)
 #   endif
 #   if !defined(asctime) && ASCTIME_R_PROTO == REENTRANT_PROTO_I_SBI
-#       define asctime(a) (((errno = asctime_r(a, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size))) == 0 ? PL_reentrant_buffer->_asctime_buffer : 0)
+#       define asctime(a) (asctime_r(a, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size) == 0 ? PL_reentrant_buffer->_asctime_buffer : 0)
 #   endif
 #endif /* HAS_ASCTIME_R */
 
 #ifdef HAS_CRYPT_R
 #   undef crypt
 #   if !defined(crypt) && CRYPT_R_PROTO == REENTRANT_PROTO_B_CCS
-#       define crypt(a, b) crypt_r(a, b, &PL_reentrant_buffer->_crypt_struct)
+#       define crypt(a, b) crypt_r(a, b, PL_reentrant_buffer->_crypt_struct_buffer)
 #   endif
 #   if !defined(crypt) && CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD
 #       define crypt(a, b) crypt_r(a, b, &PL_reentrant_buffer->_crypt_data)
@@ -790,24 +819,24 @@ typedef struct {
 #       define ctime(a) ctime_r(a, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size)
 #   endif
 #   if !defined(ctime) && CTIME_R_PROTO == REENTRANT_PROTO_I_SB
-#       define ctime(a) (((errno = ctime_r(a, PL_reentrant_buffer->_ctime_buffer))) == 0 ? PL_reentrant_buffer->_ctime_buffer : 0)
+#       define ctime(a) (ctime_r(a, PL_reentrant_buffer->_ctime_buffer) == 0 ? PL_reentrant_buffer->_ctime_buffer : 0)
 #   endif
 #   if !defined(ctime) && CTIME_R_PROTO == REENTRANT_PROTO_I_SBI
-#       define ctime(a) (((errno = ctime_r(a, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size))) == 0 ? PL_reentrant_buffer->_ctime_buffer : 0)
+#       define ctime(a) (ctime_r(a, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size) == 0 ? PL_reentrant_buffer->_ctime_buffer : 0)
 #   endif
 #endif /* HAS_CTIME_R */
 
 #ifdef HAS_DRAND48_R
 #   undef drand48
 #   if !defined(drand48) && DRAND48_R_PROTO == REENTRANT_PROTO_I_ST
-#       define drand48() (((errno = drand48_r(&PL_reentrant_buffer->_drand48_struct, &PL_reentrant_buffer->_drand48_double))) == 0 ? PL_reentrant_buffer->_drand48_double : 0)
+#       define drand48() (drand48_r(&PL_reentrant_buffer->_drand48_struct, &PL_reentrant_buffer->_drand48_double) == 0 ? PL_reentrant_buffer->_drand48_double : 0)
 #   endif
 #endif /* HAS_DRAND48_R */
 
 #ifdef HAS_ENDGRENT_R
 #   undef endgrent
 #   if !defined(endgrent) && ENDGRENT_R_PROTO == REENTRANT_PROTO_I_H
-#       define endgrent() (((errno = endgrent_r(&PL_reentrant_buffer->_grent_fptr))) == 0 ? 1 : 0)
+#       define endgrent() (endgrent_r(&PL_reentrant_buffer->_grent_fptr) == 0 ? 1 : 0)
 #   endif
 #   if !defined(endgrent) && ENDGRENT_R_PROTO == REENTRANT_PROTO_V_H
 #       define endgrent() endgrent_r(&PL_reentrant_buffer->_grent_fptr)
@@ -817,7 +846,7 @@ typedef struct {
 #ifdef HAS_ENDHOSTENT_R
 #   undef endhostent
 #   if !defined(endhostent) && ENDHOSTENT_R_PROTO == REENTRANT_PROTO_I_D
-#       define endhostent() (((errno = endhostent_r(&PL_reentrant_buffer->_hostent_data))) == 0 ? 1 : 0)
+#       define endhostent() (endhostent_r(&PL_reentrant_buffer->_hostent_data) == 0 ? 1 : 0)
 #   endif
 #   if !defined(endhostent) && ENDHOSTENT_R_PROTO == REENTRANT_PROTO_V_D
 #       define endhostent() endhostent_r(&PL_reentrant_buffer->_hostent_data)
@@ -827,7 +856,7 @@ typedef struct {
 #ifdef HAS_ENDNETENT_R
 #   undef endnetent
 #   if !defined(endnetent) && ENDNETENT_R_PROTO == REENTRANT_PROTO_I_D
-#       define endnetent() (((errno = endnetent_r(&PL_reentrant_buffer->_netent_data))) == 0 ? 1 : 0)
+#       define endnetent() (endnetent_r(&PL_reentrant_buffer->_netent_data) == 0 ? 1 : 0)
 #   endif
 #   if !defined(endnetent) && ENDNETENT_R_PROTO == REENTRANT_PROTO_V_D
 #       define endnetent() endnetent_r(&PL_reentrant_buffer->_netent_data)
@@ -837,7 +866,7 @@ typedef struct {
 #ifdef HAS_ENDPROTOENT_R
 #   undef endprotoent
 #   if !defined(endprotoent) && ENDPROTOENT_R_PROTO == REENTRANT_PROTO_I_D
-#       define endprotoent() (((errno = endprotoent_r(&PL_reentrant_buffer->_protoent_data))) == 0 ? 1 : 0)
+#       define endprotoent() (endprotoent_r(&PL_reentrant_buffer->_protoent_data) == 0 ? 1 : 0)
 #   endif
 #   if !defined(endprotoent) && ENDPROTOENT_R_PROTO == REENTRANT_PROTO_V_D
 #       define endprotoent() endprotoent_r(&PL_reentrant_buffer->_protoent_data)
@@ -847,7 +876,7 @@ typedef struct {
 #ifdef HAS_ENDPWENT_R
 #   undef endpwent
 #   if !defined(endpwent) && ENDPWENT_R_PROTO == REENTRANT_PROTO_I_H
-#       define endpwent() (((errno = endpwent_r(&PL_reentrant_buffer->_pwent_fptr))) == 0 ? 1 : 0)
+#       define endpwent() (endpwent_r(&PL_reentrant_buffer->_pwent_fptr) == 0 ? 1 : 0)
 #   endif
 #   if !defined(endpwent) && ENDPWENT_R_PROTO == REENTRANT_PROTO_V_H
 #       define endpwent() endpwent_r(&PL_reentrant_buffer->_pwent_fptr)
@@ -857,7 +886,7 @@ typedef struct {
 #ifdef HAS_ENDSERVENT_R
 #   undef endservent
 #   if !defined(endservent) && ENDSERVENT_R_PROTO == REENTRANT_PROTO_I_D
-#       define endservent() (((errno = endservent_r(&PL_reentrant_buffer->_servent_data))) == 0 ? 1 : 0)
+#       define endservent() (endservent_r(&PL_reentrant_buffer->_servent_data) == 0 ? 1 : 0)
 #   endif
 #   if !defined(endservent) && ENDSERVENT_R_PROTO == REENTRANT_PROTO_V_D
 #       define endservent() endservent_r(&PL_reentrant_buffer->_servent_data)
@@ -867,136 +896,139 @@ typedef struct {
 #ifdef HAS_GETGRENT_R
 #   undef getgrent
 #   if !defined(getgrent) && GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBWR
-#       define getgrent() (((errno = getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr))) == 0 ? PL_reentrant_buffer->_grent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getgrent") : 0))
+#       define getgrent() ((PL_reentrant_retint = getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr)) == 0 ? PL_reentrant_buffer->_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrent") : 0))
 #   endif
 #   if !defined(getgrent) && GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBIR
-#       define getgrent() (((errno = getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr))) == 0 ? PL_reentrant_buffer->_grent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getgrent") : 0))
+#       define getgrent() ((PL_reentrant_retint = getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr)) == 0 ? PL_reentrant_buffer->_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrent") : 0))
 #   endif
 #   if !defined(getgrent) && GETGRENT_R_PROTO == REENTRANT_PROTO_S_SBW
-#       define getgrent() (getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? &PL_reentrant_buffer->_grent_struct : (errno == ERANGE ? Perl_reentrant_retry("getgrent") : 0))
+#       define getgrent() (getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? &PL_reentrant_buffer->_grent_struct : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrent") : 0))
 #   endif
 #   if !defined(getgrent) && GETGRENT_R_PROTO == REENTRANT_PROTO_S_SBI
-#       define getgrent() (getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? &PL_reentrant_buffer->_grent_struct : (errno == ERANGE ? Perl_reentrant_retry("getgrent") : 0))
+#       define getgrent() (getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? &PL_reentrant_buffer->_grent_struct : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrent") : 0))
 #   endif
 #   if !defined(getgrent) && GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBI
-#       define getgrent() (((errno = getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size))) == 0 ? &PL_reentrant_buffer->_grent_struct : (errno == ERANGE ? Perl_reentrant_retry("getgrent") : 0))
+#       define getgrent() ((PL_reentrant_retint = getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size)) == 0 ? &PL_reentrant_buffer->_grent_struct : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrent") : 0))
 #   endif
 #   if !defined(getgrent) && GETGRENT_R_PROTO == REENTRANT_PROTO_I_SBIH
-#       define getgrent() (((errno = getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_fptr))) == 0 ? &PL_reentrant_buffer->_grent_struct : (errno == ERANGE ? Perl_reentrant_retry("getgrent") : 0))
+#       define getgrent() ((PL_reentrant_retint = getgrent_r(&PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_fptr)) == 0 ? &PL_reentrant_buffer->_grent_struct : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrent") : 0))
 #   endif
 #endif /* HAS_GETGRENT_R */
 
 #ifdef HAS_GETGRGID_R
 #   undef getgrgid
 #   if !defined(getgrgid) && GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBWR
-#       define getgrgid(a) (((errno = getgrgid_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr))) == 0 ? PL_reentrant_buffer->_grent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getgrgid", a) : 0))
+#       define getgrgid(a) ((PL_reentrant_retint = getgrgid_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr)) == 0 ? PL_reentrant_buffer->_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrgid", a) : 0))
 #   endif
 #   if !defined(getgrgid) && GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBIR
-#       define getgrgid(a) (((errno = getgrgid_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr))) == 0 ? PL_reentrant_buffer->_grent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getgrgid", a) : 0))
+#       define getgrgid(a) ((PL_reentrant_retint = getgrgid_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr)) == 0 ? PL_reentrant_buffer->_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrgid", a) : 0))
 #   endif
 #   if !defined(getgrgid) && GETGRGID_R_PROTO == REENTRANT_PROTO_I_TSBI
-#       define getgrgid(a) (((errno = getgrgid_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size))) == 0 ? &PL_reentrant_buffer->_grent_struct : (errno == ERANGE ? Perl_reentrant_retry("getgrgid", a) : 0))
+#       define getgrgid(a) ((PL_reentrant_retint = getgrgid_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size)) == 0 ? &PL_reentrant_buffer->_grent_struct : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrgid", a) : 0))
 #   endif
 #   if !defined(getgrgid) && GETGRGID_R_PROTO == REENTRANT_PROTO_S_TSBI
-#       define getgrgid(a) (getgrgid_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? &PL_reentrant_buffer->_grent_struct : (errno == ERANGE ? Perl_reentrant_retry("getgrgid", a) : 0))
+#       define getgrgid(a) (getgrgid_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? &PL_reentrant_buffer->_grent_struct : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrgid", a) : 0))
 #   endif
 #endif /* HAS_GETGRGID_R */
 
 #ifdef HAS_GETGRNAM_R
 #   undef getgrnam
 #   if !defined(getgrnam) && GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR
-#       define getgrnam(a) (((errno = getgrnam_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr))) == 0 ? PL_reentrant_buffer->_grent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getgrnam", a) : 0))
+#       define getgrnam(a) ((PL_reentrant_retint = getgrnam_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr)) == 0 ? PL_reentrant_buffer->_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrnam", a) : 0))
 #   endif
 #   if !defined(getgrnam) && GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBIR
-#       define getgrnam(a) (((errno = getgrnam_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr))) == 0 ? PL_reentrant_buffer->_grent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getgrnam", a) : 0))
+#       define getgrnam(a) ((PL_reentrant_retint = getgrnam_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, &PL_reentrant_buffer->_grent_ptr)) == 0 ? PL_reentrant_buffer->_grent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrnam", a) : 0))
 #   endif
 #   if !defined(getgrnam) && GETGRNAM_R_PROTO == REENTRANT_PROTO_S_CBI
-#       define getgrnam(a) (getgrnam_r(a, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? PL_reentrant_buffer->_grent_buffer : (errno == ERANGE ? Perl_reentrant_retry("getgrnam", a) : 0))
+#       define getgrnam(a) (getgrnam_r(a, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? PL_reentrant_buffer->_grent_buffer : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrnam", a) : 0))
 #   endif
 #   if !defined(getgrnam) && GETGRNAM_R_PROTO == REENTRANT_PROTO_I_CSBI
-#       define getgrnam(a) (((errno = getgrnam_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size))) == 0 ? &PL_reentrant_buffer->_grent_struct : (errno == ERANGE ? Perl_reentrant_retry("getgrnam", a) : 0))
+#       define getgrnam(a) ((PL_reentrant_retint = getgrnam_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size)) == 0 ? &PL_reentrant_buffer->_grent_struct : ((PL_reentrant_retint == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrnam", a) : 0))
 #   endif
 #   if !defined(getgrnam) && GETGRNAM_R_PROTO == REENTRANT_PROTO_S_CSBI
-#       define getgrnam(a) (getgrnam_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? &PL_reentrant_buffer->_grent_struct : (errno == ERANGE ? Perl_reentrant_retry("getgrnam", a) : 0))
+#       define getgrnam(a) (getgrnam_r(a, &PL_reentrant_buffer->_grent_struct, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size) ? &PL_reentrant_buffer->_grent_struct : ((errno == ERANGE) ? (struct group *) Perl_reentrant_retry("getgrnam", a) : 0))
 #   endif
 #endif /* HAS_GETGRNAM_R */
 
 #ifdef HAS_GETHOSTBYADDR_R
 #   undef gethostbyaddr
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISBWRE
-#       define gethostbyaddr(a, b, c) (((errno = gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_ptr, &PL_reentrant_buffer->_hostent_errno))) == 0 ? PL_reentrant_buffer->_hostent_ptr : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_ptr, &PL_reentrant_buffer->_hostent_errno)) == 0 ? PL_reentrant_buffer->_hostent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBWIE
-#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CWISBIE
-#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TWISBIE
-#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CIISBIE
-#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_CSBIE
-#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? 1 : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? 1 : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_S_TSBIE
-#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? 1 : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) (gethostbyaddr_r(a, b, c, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? 1 : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CWISD
-#       define gethostbyaddr(a, b, c) (((errno = gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, &PL_reentrant_buffer->_hostent_data))) == 0 ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, &PL_reentrant_buffer->_hostent_data)) == 0 ? &PL_reentrant_buffer->_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CIISD
-#       define gethostbyaddr(a, b, c) (((errno = gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, &PL_reentrant_buffer->_hostent_data))) == 0 ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, &PL_reentrant_buffer->_hostent_data)) == 0 ? &PL_reentrant_buffer->_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_CII
-#       define gethostbyaddr(a, b, c) (((errno = gethostbyaddr_r(a, b, c))) == 0 ? 1 : (errno == ERANGE ? Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c)) == 0 ? 1 : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
+#   endif
+#   if !defined(gethostbyaddr) && GETHOSTBYADDR_R_PROTO == REENTRANT_PROTO_I_TsISBWRE
+#       define gethostbyaddr(a, b, c) ((PL_reentrant_retint = gethostbyaddr_r(a, b, c, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_ptr, &PL_reentrant_buffer->_hostent_errno)) == 0 ? PL_reentrant_buffer->_hostent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyaddr", a, b, c) : 0))
 #   endif
 #endif /* HAS_GETHOSTBYADDR_R */
 
 #ifdef HAS_GETHOSTBYNAME_R
 #   undef gethostbyname
 #   if !defined(gethostbyname) && GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE
-#       define gethostbyname(a) (((errno = gethostbyname_r(a, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_ptr, &PL_reentrant_buffer->_hostent_errno))) == 0 ? PL_reentrant_buffer->_hostent_ptr : (errno == ERANGE ? Perl_reentrant_retry("gethostbyname", a) : 0))
+#       define gethostbyname(a) ((PL_reentrant_retint = gethostbyname_r(a, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_ptr, &PL_reentrant_buffer->_hostent_errno)) == 0 ? PL_reentrant_buffer->_hostent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyname", a) : 0))
 #   endif
 #   if !defined(gethostbyname) && GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBIE
-#       define gethostbyname(a) (gethostbyname_r(a, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostbyname", a) : 0))
+#       define gethostbyname(a) (gethostbyname_r(a, &PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyname", a) : 0))
 #   endif
 #   if !defined(gethostbyname) && GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD
-#       define gethostbyname(a) (((errno = gethostbyname_r(a, &PL_reentrant_buffer->_hostent_struct, &PL_reentrant_buffer->_hostent_data))) == 0 ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostbyname", a) : 0))
+#       define gethostbyname(a) ((PL_reentrant_retint = gethostbyname_r(a, &PL_reentrant_buffer->_hostent_struct, &PL_reentrant_buffer->_hostent_data)) == 0 ? &PL_reentrant_buffer->_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostbyname", a) : 0))
 #   endif
 #endif /* HAS_GETHOSTBYNAME_R */
 
 #ifdef HAS_GETHOSTENT_R
 #   undef gethostent
 #   if !defined(gethostent) && GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBWRE
-#       define gethostent() (((errno = gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_ptr, &PL_reentrant_buffer->_hostent_errno))) == 0 ? PL_reentrant_buffer->_hostent_ptr : (errno == ERANGE ? Perl_reentrant_retry("gethostent") : 0))
+#       define gethostent() ((PL_reentrant_retint = gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_ptr, &PL_reentrant_buffer->_hostent_errno)) == 0 ? PL_reentrant_buffer->_hostent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostent") : 0))
 #   endif
 #   if !defined(gethostent) && GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBIE
-#       define gethostent() (((errno = gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno))) == 0 ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostent") : 0))
+#       define gethostent() ((PL_reentrant_retint = gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno)) == 0 ? &PL_reentrant_buffer->_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostent") : 0))
 #   endif
 #   if !defined(gethostent) && GETHOSTENT_R_PROTO == REENTRANT_PROTO_S_SBIE
-#       define gethostent() (gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostent") : 0))
+#       define gethostent() (gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, &PL_reentrant_buffer->_hostent_errno) ? &PL_reentrant_buffer->_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostent") : 0))
 #   endif
 #   if !defined(gethostent) && GETHOSTENT_R_PROTO == REENTRANT_PROTO_S_SBI
-#       define gethostent() (gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size) ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostent") : 0))
+#       define gethostent() (gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size) ? &PL_reentrant_buffer->_hostent_struct : ((errno == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostent") : 0))
 #   endif
 #   if !defined(gethostent) && GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SBI
-#       define gethostent() (((errno = gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size))) == 0 ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostent") : 0))
+#       define gethostent() ((PL_reentrant_retint = gethostent_r(&PL_reentrant_buffer->_hostent_struct, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size)) == 0 ? &PL_reentrant_buffer->_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostent") : 0))
 #   endif
 #   if !defined(gethostent) && GETHOSTENT_R_PROTO == REENTRANT_PROTO_I_SD
-#       define gethostent() (((errno = gethostent_r(&PL_reentrant_buffer->_hostent_struct, &PL_reentrant_buffer->_hostent_data))) == 0 ? &PL_reentrant_buffer->_hostent_struct : (errno == ERANGE ? Perl_reentrant_retry("gethostent") : 0))
+#       define gethostent() ((PL_reentrant_retint = gethostent_r(&PL_reentrant_buffer->_hostent_struct, &PL_reentrant_buffer->_hostent_data)) == 0 ? &PL_reentrant_buffer->_hostent_struct : ((PL_reentrant_retint == ERANGE) ? (struct hostent *) Perl_reentrant_retry("gethostent") : 0))
 #   endif
 #endif /* HAS_GETHOSTENT_R */
 
 #ifdef HAS_GETLOGIN_R
 #   undef getlogin
 #   if !defined(getlogin) && GETLOGIN_R_PROTO == REENTRANT_PROTO_I_BW
-#       define getlogin() (((errno = getlogin_r(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size))) == 0 ? PL_reentrant_buffer->_getlogin_buffer : (errno == ERANGE ? Perl_reentrant_retry("getlogin") : 0))
+#       define getlogin() ((PL_reentrant_retint = getlogin_r(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size)) == 0 ? PL_reentrant_buffer->_getlogin_buffer : ((PL_reentrant_retint == ERANGE) ? (char *) Perl_reentrant_retry("getlogin") : 0))
 #   endif
 #   if !defined(getlogin) && GETLOGIN_R_PROTO == REENTRANT_PROTO_I_BI
-#       define getlogin() (((errno = getlogin_r(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size))) == 0 ? PL_reentrant_buffer->_getlogin_buffer : (errno == ERANGE ? Perl_reentrant_retry("getlogin") : 0))
+#       define getlogin() ((PL_reentrant_retint = getlogin_r(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size)) == 0 ? PL_reentrant_buffer->_getlogin_buffer : ((PL_reentrant_retint == ERANGE) ? (char *) Perl_reentrant_retry("getlogin") : 0))
 #   endif
 #   if !defined(getlogin) && GETLOGIN_R_PROTO == REENTRANT_PROTO_B_BW
 #       define getlogin() getlogin_r(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size)
@@ -1009,211 +1041,214 @@ typedef struct {
 #ifdef HAS_GETNETBYADDR_R
 #   undef getnetbyaddr
 #   if !defined(getnetbyaddr) && GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_UISBWRE
-#       define getnetbyaddr(a, b) (((errno = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_ptr, &PL_reentrant_buffer->_netent_errno))) == 0 ? PL_reentrant_buffer->_netent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
+#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_ptr, &PL_reentrant_buffer->_netent_errno)) == 0 ? PL_reentrant_buffer->_netent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
 #   endif
 #   if !defined(getnetbyaddr) && GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_LISBI
-#       define getnetbyaddr(a, b) (((errno = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size))) == 0 ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
+#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size)) == 0 ? &PL_reentrant_buffer->_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
 #   endif
 #   if !defined(getnetbyaddr) && GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_TISBI
-#       define getnetbyaddr(a, b) (getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size) ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
+#       define getnetbyaddr(a, b) (getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size) ? &PL_reentrant_buffer->_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
 #   endif
 #   if !defined(getnetbyaddr) && GETNETBYADDR_R_PROTO == REENTRANT_PROTO_S_LISBI
-#       define getnetbyaddr(a, b) (getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size) ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
+#       define getnetbyaddr(a, b) (getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size) ? &PL_reentrant_buffer->_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
 #   endif
 #   if !defined(getnetbyaddr) && GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_TISD
-#       define getnetbyaddr(a, b) (((errno = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data))) == 0 ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
+#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data)) == 0 ? &PL_reentrant_buffer->_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
 #   endif
 #   if !defined(getnetbyaddr) && GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_LISD
-#       define getnetbyaddr(a, b) (((errno = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data))) == 0 ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
+#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data)) == 0 ? &PL_reentrant_buffer->_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
 #   endif
 #   if !defined(getnetbyaddr) && GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_IISD
-#       define getnetbyaddr(a, b) (((errno = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data))) == 0 ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
+#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data)) == 0 ? &PL_reentrant_buffer->_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
+#   endif
+#   if !defined(getnetbyaddr) && GETNETBYADDR_R_PROTO == REENTRANT_PROTO_I_uISBWRE
+#       define getnetbyaddr(a, b) ((PL_reentrant_retint = getnetbyaddr_r(a, b, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_ptr, &PL_reentrant_buffer->_netent_errno)) == 0 ? PL_reentrant_buffer->_netent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyaddr", a, b) : 0))
 #   endif
 #endif /* HAS_GETNETBYADDR_R */
 
 #ifdef HAS_GETNETBYNAME_R
 #   undef getnetbyname
 #   if !defined(getnetbyname) && GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWRE
-#       define getnetbyname(a) (((errno = getnetbyname_r(a, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_ptr, &PL_reentrant_buffer->_netent_errno))) == 0 ? PL_reentrant_buffer->_netent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getnetbyname", a) : 0))
+#       define getnetbyname(a) ((PL_reentrant_retint = getnetbyname_r(a, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_ptr, &PL_reentrant_buffer->_netent_errno)) == 0 ? PL_reentrant_buffer->_netent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyname", a) : 0))
 #   endif
 #   if !defined(getnetbyname) && GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBI
-#       define getnetbyname(a) (((errno = getnetbyname_r(a, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size))) == 0 ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetbyname", a) : 0))
+#       define getnetbyname(a) ((PL_reentrant_retint = getnetbyname_r(a, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size)) == 0 ? &PL_reentrant_buffer->_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyname", a) : 0))
 #   endif
 #   if !defined(getnetbyname) && GETNETBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBI
-#       define getnetbyname(a) (getnetbyname_r(a, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size) ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetbyname", a) : 0))
+#       define getnetbyname(a) (getnetbyname_r(a, &PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size) ? &PL_reentrant_buffer->_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyname", a) : 0))
 #   endif
 #   if !defined(getnetbyname) && GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD
-#       define getnetbyname(a) (((errno = getnetbyname_r(a, &PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data))) == 0 ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetbyname", a) : 0))
+#       define getnetbyname(a) ((PL_reentrant_retint = getnetbyname_r(a, &PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data)) == 0 ? &PL_reentrant_buffer->_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetbyname", a) : 0))
 #   endif
 #endif /* HAS_GETNETBYNAME_R */
 
 #ifdef HAS_GETNETENT_R
 #   undef getnetent
 #   if !defined(getnetent) && GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBWRE
-#       define getnetent() (((errno = getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_ptr, &PL_reentrant_buffer->_netent_errno))) == 0 ? PL_reentrant_buffer->_netent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getnetent") : 0))
+#       define getnetent() ((PL_reentrant_retint = getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_ptr, &PL_reentrant_buffer->_netent_errno)) == 0 ? PL_reentrant_buffer->_netent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetent") : 0))
 #   endif
 #   if !defined(getnetent) && GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBIE
-#       define getnetent() (((errno = getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_errno))) == 0 ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetent") : 0))
+#       define getnetent() ((PL_reentrant_retint = getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_errno)) == 0 ? &PL_reentrant_buffer->_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetent") : 0))
 #   endif
 #   if !defined(getnetent) && GETNETENT_R_PROTO == REENTRANT_PROTO_S_SBIE
-#       define getnetent() (getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_errno) ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetent") : 0))
+#       define getnetent() (getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, &PL_reentrant_buffer->_netent_errno) ? &PL_reentrant_buffer->_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetent") : 0))
 #   endif
 #   if !defined(getnetent) && GETNETENT_R_PROTO == REENTRANT_PROTO_S_SBI
-#       define getnetent() (getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size) ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetent") : 0))
+#       define getnetent() (getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size) ? &PL_reentrant_buffer->_netent_struct : ((errno == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetent") : 0))
 #   endif
 #   if !defined(getnetent) && GETNETENT_R_PROTO == REENTRANT_PROTO_I_SBI
-#       define getnetent() (((errno = getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size))) == 0 ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetent") : 0))
+#       define getnetent() ((PL_reentrant_retint = getnetent_r(&PL_reentrant_buffer->_netent_struct, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size)) == 0 ? &PL_reentrant_buffer->_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetent") : 0))
 #   endif
 #   if !defined(getnetent) && GETNETENT_R_PROTO == REENTRANT_PROTO_I_SD
-#       define getnetent() (((errno = getnetent_r(&PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data))) == 0 ? &PL_reentrant_buffer->_netent_struct : (errno == ERANGE ? Perl_reentrant_retry("getnetent") : 0))
+#       define getnetent() ((PL_reentrant_retint = getnetent_r(&PL_reentrant_buffer->_netent_struct, &PL_reentrant_buffer->_netent_data)) == 0 ? &PL_reentrant_buffer->_netent_struct : ((PL_reentrant_retint == ERANGE) ? (struct netent *) Perl_reentrant_retry("getnetent") : 0))
 #   endif
 #endif /* HAS_GETNETENT_R */
 
 #ifdef HAS_GETPROTOBYNAME_R
 #   undef getprotobyname
 #   if !defined(getprotobyname) && GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSBWR
-#       define getprotobyname(a) (((errno = getprotobyname_r(a, &PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, &PL_reentrant_buffer->_protoent_ptr))) == 0 ? PL_reentrant_buffer->_protoent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getprotobyname", a) : 0))
+#       define getprotobyname(a) ((PL_reentrant_retint = getprotobyname_r(a, &PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, &PL_reentrant_buffer->_protoent_ptr)) == 0 ? PL_reentrant_buffer->_protoent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotobyname", a) : 0))
 #   endif
 #   if !defined(getprotobyname) && GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_S_CSBI
-#       define getprotobyname(a) (getprotobyname_r(a, &PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size) ? &PL_reentrant_buffer->_protoent_struct : (errno == ERANGE ? Perl_reentrant_retry("getprotobyname", a) : 0))
+#       define getprotobyname(a) (getprotobyname_r(a, &PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size) ? &PL_reentrant_buffer->_protoent_struct : ((errno == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotobyname", a) : 0))
 #   endif
 #   if !defined(getprotobyname) && GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD
-#       define getprotobyname(a) (((errno = getprotobyname_r(a, &PL_reentrant_buffer->_protoent_struct, &PL_reentrant_buffer->_protoent_data))) == 0 ? &PL_reentrant_buffer->_protoent_struct : (errno == ERANGE ? Perl_reentrant_retry("getprotobyname", a) : 0))
+#       define getprotobyname(a) (REENTR_MEMZERO(&PL_reentrant_buffer->_protoent_data, sizeof(PL_reentrant_buffer->_protoent_data))(PL_reentrant_retint = getprotobyname_r(a, &PL_reentrant_buffer->_protoent_struct, &PL_reentrant_buffer->_protoent_data)) == 0 ? &PL_reentrant_buffer->_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotobyname", a) : 0))
 #   endif
 #endif /* HAS_GETPROTOBYNAME_R */
 
 #ifdef HAS_GETPROTOBYNUMBER_R
 #   undef getprotobynumber
 #   if !defined(getprotobynumber) && GETPROTOBYNUMBER_R_PROTO == REENTRANT_PROTO_I_ISBWR
-#       define getprotobynumber(a) (((errno = getprotobynumber_r(a, &PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, &PL_reentrant_buffer->_protoent_ptr))) == 0 ? PL_reentrant_buffer->_protoent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getprotobynumber", a) : 0))
+#       define getprotobynumber(a) ((PL_reentrant_retint = getprotobynumber_r(a, &PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, &PL_reentrant_buffer->_protoent_ptr)) == 0 ? PL_reentrant_buffer->_protoent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotobynumber", a) : 0))
 #   endif
 #   if !defined(getprotobynumber) && GETPROTOBYNUMBER_R_PROTO == REENTRANT_PROTO_S_ISBI
-#       define getprotobynumber(a) (getprotobynumber_r(a, &PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size) ? &PL_reentrant_buffer->_protoent_struct : (errno == ERANGE ? Perl_reentrant_retry("getprotobynumber", a) : 0))
+#       define getprotobynumber(a) (getprotobynumber_r(a, &PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size) ? &PL_reentrant_buffer->_protoent_struct : ((errno == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotobynumber", a) : 0))
 #   endif
 #   if !defined(getprotobynumber) && GETPROTOBYNUMBER_R_PROTO == REENTRANT_PROTO_I_ISD
-#       define getprotobynumber(a) (((errno = getprotobynumber_r(a, &PL_reentrant_buffer->_protoent_struct, &PL_reentrant_buffer->_protoent_data))) == 0 ? &PL_reentrant_buffer->_protoent_struct : (errno == ERANGE ? Perl_reentrant_retry("getprotobynumber", a) : 0))
+#       define getprotobynumber(a) (REENTR_MEMZERO(&PL_reentrant_buffer->_protoent_data, sizeof(PL_reentrant_buffer->_protoent_data))(PL_reentrant_retint = getprotobynumber_r(a, &PL_reentrant_buffer->_protoent_struct, &PL_reentrant_buffer->_protoent_data)) == 0 ? &PL_reentrant_buffer->_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotobynumber", a) : 0))
 #   endif
 #endif /* HAS_GETPROTOBYNUMBER_R */
 
 #ifdef HAS_GETPROTOENT_R
 #   undef getprotoent
 #   if !defined(getprotoent) && GETPROTOENT_R_PROTO == REENTRANT_PROTO_I_SBWR
-#       define getprotoent() (((errno = getprotoent_r(&PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, &PL_reentrant_buffer->_protoent_ptr))) == 0 ? PL_reentrant_buffer->_protoent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getprotoent") : 0))
+#       define getprotoent() ((PL_reentrant_retint = getprotoent_r(&PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, &PL_reentrant_buffer->_protoent_ptr)) == 0 ? PL_reentrant_buffer->_protoent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotoent") : 0))
 #   endif
 #   if !defined(getprotoent) && GETPROTOENT_R_PROTO == REENTRANT_PROTO_I_SBI
-#       define getprotoent() (((errno = getprotoent_r(&PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size))) == 0 ? &PL_reentrant_buffer->_protoent_struct : (errno == ERANGE ? Perl_reentrant_retry("getprotoent") : 0))
+#       define getprotoent() ((PL_reentrant_retint = getprotoent_r(&PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size)) == 0 ? &PL_reentrant_buffer->_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotoent") : 0))
 #   endif
 #   if !defined(getprotoent) && GETPROTOENT_R_PROTO == REENTRANT_PROTO_S_SBI
-#       define getprotoent() (getprotoent_r(&PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size) ? &PL_reentrant_buffer->_protoent_struct : (errno == ERANGE ? Perl_reentrant_retry("getprotoent") : 0))
+#       define getprotoent() (getprotoent_r(&PL_reentrant_buffer->_protoent_struct, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size) ? &PL_reentrant_buffer->_protoent_struct : ((errno == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotoent") : 0))
 #   endif
 #   if !defined(getprotoent) && GETPROTOENT_R_PROTO == REENTRANT_PROTO_I_SD
-#       define getprotoent() (((errno = getprotoent_r(&PL_reentrant_buffer->_protoent_struct, &PL_reentrant_buffer->_protoent_data))) == 0 ? &PL_reentrant_buffer->_protoent_struct : (errno == ERANGE ? Perl_reentrant_retry("getprotoent") : 0))
+#       define getprotoent() (REENTR_MEMZERO(&PL_reentrant_buffer->_protoent_data, sizeof(PL_reentrant_buffer->_protoent_data))(PL_reentrant_retint = getprotoent_r(&PL_reentrant_buffer->_protoent_struct, &PL_reentrant_buffer->_protoent_data)) == 0 ? &PL_reentrant_buffer->_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotoent") : 0))
 #   endif
 #endif /* HAS_GETPROTOENT_R */
 
 #ifdef HAS_GETPWENT_R
 #   undef getpwent
 #   if !defined(getpwent) && GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBWR
-#       define getpwent() (((errno = getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr))) == 0 ? PL_reentrant_buffer->_pwent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getpwent") : 0))
+#       define getpwent() ((PL_reentrant_retint = getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr)) == 0 ? PL_reentrant_buffer->_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwent") : 0))
 #   endif
 #   if !defined(getpwent) && GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBIR
-#       define getpwent() (((errno = getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr))) == 0 ? PL_reentrant_buffer->_pwent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getpwent") : 0))
+#       define getpwent() ((PL_reentrant_retint = getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr)) == 0 ? PL_reentrant_buffer->_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwent") : 0))
 #   endif
 #   if !defined(getpwent) && GETPWENT_R_PROTO == REENTRANT_PROTO_S_SBW
-#       define getpwent() (getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size) ? &PL_reentrant_buffer->_pwent_struct : (errno == ERANGE ? Perl_reentrant_retry("getpwent") : 0))
+#       define getpwent() (getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size) ? &PL_reentrant_buffer->_pwent_struct : ((errno == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwent") : 0))
 #   endif
 #   if !defined(getpwent) && GETPWENT_R_PROTO == REENTRANT_PROTO_S_SBI
-#       define getpwent() (getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size) ? &PL_reentrant_buffer->_pwent_struct : (errno == ERANGE ? Perl_reentrant_retry("getpwent") : 0))
+#       define getpwent() (getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size) ? &PL_reentrant_buffer->_pwent_struct : ((errno == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwent") : 0))
 #   endif
 #   if !defined(getpwent) && GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBI
-#       define getpwent() (((errno = getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size))) == 0 ? &PL_reentrant_buffer->_pwent_struct : (errno == ERANGE ? Perl_reentrant_retry("getpwent") : 0))
+#       define getpwent() ((PL_reentrant_retint = getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size)) == 0 ? &PL_reentrant_buffer->_pwent_struct : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwent") : 0))
 #   endif
 #   if !defined(getpwent) && GETPWENT_R_PROTO == REENTRANT_PROTO_I_SBIH
-#       define getpwent() (((errno = getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_fptr))) == 0 ? &PL_reentrant_buffer->_pwent_struct : (errno == ERANGE ? Perl_reentrant_retry("getpwent") : 0))
+#       define getpwent() ((PL_reentrant_retint = getpwent_r(&PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_fptr)) == 0 ? &PL_reentrant_buffer->_pwent_struct : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwent") : 0))
 #   endif
 #endif /* HAS_GETPWENT_R */
 
 #ifdef HAS_GETPWNAM_R
 #   undef getpwnam
 #   if !defined(getpwnam) && GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR
-#       define getpwnam(a) (((errno = getpwnam_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr))) == 0 ? PL_reentrant_buffer->_pwent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getpwnam", a) : 0))
+#       define getpwnam(a) ((PL_reentrant_retint = getpwnam_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr)) == 0 ? PL_reentrant_buffer->_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwnam", a) : 0))
 #   endif
 #   if !defined(getpwnam) && GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBIR
-#       define getpwnam(a) (((errno = getpwnam_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr))) == 0 ? PL_reentrant_buffer->_pwent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getpwnam", a) : 0))
+#       define getpwnam(a) ((PL_reentrant_retint = getpwnam_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr)) == 0 ? PL_reentrant_buffer->_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwnam", a) : 0))
 #   endif
 #   if !defined(getpwnam) && GETPWNAM_R_PROTO == REENTRANT_PROTO_S_CSBI
-#       define getpwnam(a) (getpwnam_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size) ? &PL_reentrant_buffer->_pwent_struct : (errno == ERANGE ? Perl_reentrant_retry("getpwnam", a) : 0))
+#       define getpwnam(a) (getpwnam_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size) ? &PL_reentrant_buffer->_pwent_struct : ((errno == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwnam", a) : 0))
 #   endif
 #   if !defined(getpwnam) && GETPWNAM_R_PROTO == REENTRANT_PROTO_I_CSBI
-#       define getpwnam(a) (((errno = getpwnam_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size))) == 0 ? &PL_reentrant_buffer->_pwent_struct : (errno == ERANGE ? Perl_reentrant_retry("getpwnam", a) : 0))
+#       define getpwnam(a) ((PL_reentrant_retint = getpwnam_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size)) == 0 ? &PL_reentrant_buffer->_pwent_struct : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwnam", a) : 0))
 #   endif
 #endif /* HAS_GETPWNAM_R */
 
 #ifdef HAS_GETPWUID_R
 #   undef getpwuid
 #   if !defined(getpwuid) && GETPWUID_R_PROTO == REENTRANT_PROTO_I_TSBWR
-#       define getpwuid(a) (((errno = getpwuid_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr))) == 0 ? PL_reentrant_buffer->_pwent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getpwuid", a) : 0))
+#       define getpwuid(a) ((PL_reentrant_retint = getpwuid_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr)) == 0 ? PL_reentrant_buffer->_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwuid", a) : 0))
 #   endif
 #   if !defined(getpwuid) && GETPWUID_R_PROTO == REENTRANT_PROTO_I_TSBIR
-#       define getpwuid(a) (((errno = getpwuid_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr))) == 0 ? PL_reentrant_buffer->_pwent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getpwuid", a) : 0))
+#       define getpwuid(a) ((PL_reentrant_retint = getpwuid_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, &PL_reentrant_buffer->_pwent_ptr)) == 0 ? PL_reentrant_buffer->_pwent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwuid", a) : 0))
 #   endif
 #   if !defined(getpwuid) && GETPWUID_R_PROTO == REENTRANT_PROTO_I_TSBI
-#       define getpwuid(a) (((errno = getpwuid_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size))) == 0 ? &PL_reentrant_buffer->_pwent_struct : (errno == ERANGE ? Perl_reentrant_retry("getpwuid", a) : 0))
+#       define getpwuid(a) ((PL_reentrant_retint = getpwuid_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size)) == 0 ? &PL_reentrant_buffer->_pwent_struct : ((PL_reentrant_retint == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwuid", a) : 0))
 #   endif
 #   if !defined(getpwuid) && GETPWUID_R_PROTO == REENTRANT_PROTO_S_TSBI
-#       define getpwuid(a) (getpwuid_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size) ? &PL_reentrant_buffer->_pwent_struct : (errno == ERANGE ? Perl_reentrant_retry("getpwuid", a) : 0))
+#       define getpwuid(a) (getpwuid_r(a, &PL_reentrant_buffer->_pwent_struct, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size) ? &PL_reentrant_buffer->_pwent_struct : ((errno == ERANGE) ? (struct passwd *) Perl_reentrant_retry("getpwuid", a) : 0))
 #   endif
 #endif /* HAS_GETPWUID_R */
 
 #ifdef HAS_GETSERVBYNAME_R
 #   undef getservbyname
 #   if !defined(getservbyname) && GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSBWR
-#       define getservbyname(a, b) (((errno = getservbyname_r(a, b, &PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, &PL_reentrant_buffer->_servent_ptr))) == 0 ? PL_reentrant_buffer->_servent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getservbyname", a, b) : 0))
+#       define getservbyname(a, b) ((PL_reentrant_retint = getservbyname_r(a, b, &PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, &PL_reentrant_buffer->_servent_ptr)) == 0 ? PL_reentrant_buffer->_servent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservbyname", a, b) : 0))
 #   endif
 #   if !defined(getservbyname) && GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_S_CCSBI
-#       define getservbyname(a, b) (getservbyname_r(a, b, &PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size) ? &PL_reentrant_buffer->_servent_struct : (errno == ERANGE ? Perl_reentrant_retry("getservbyname", a, b) : 0))
+#       define getservbyname(a, b) (getservbyname_r(a, b, &PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size) ? &PL_reentrant_buffer->_servent_struct : ((errno == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservbyname", a, b) : 0))
 #   endif
 #   if !defined(getservbyname) && GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD
-#       define getservbyname(a, b) (((errno = getservbyname_r(a, b, &PL_reentrant_buffer->_servent_struct, &PL_reentrant_buffer->_servent_data))) == 0 ? &PL_reentrant_buffer->_servent_struct : (errno == ERANGE ? Perl_reentrant_retry("getservbyname", a, b) : 0))
+#       define getservbyname(a, b) (REENTR_MEMZERO(&PL_reentrant_buffer->_servent_data, sizeof(PL_reentrant_buffer->_servent_data))(PL_reentrant_retint = getservbyname_r(a, b, &PL_reentrant_buffer->_servent_struct, &PL_reentrant_buffer->_servent_data)) == 0 ? &PL_reentrant_buffer->_servent_struct : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservbyname", a, b) : 0))
 #   endif
 #endif /* HAS_GETSERVBYNAME_R */
 
 #ifdef HAS_GETSERVBYPORT_R
 #   undef getservbyport
 #   if !defined(getservbyport) && GETSERVBYPORT_R_PROTO == REENTRANT_PROTO_I_ICSBWR
-#       define getservbyport(a, b) (((errno = getservbyport_r(a, b, &PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, &PL_reentrant_buffer->_servent_ptr))) == 0 ? PL_reentrant_buffer->_servent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getservbyport", a, b) : 0))
+#       define getservbyport(a, b) ((PL_reentrant_retint = getservbyport_r(a, b, &PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, &PL_reentrant_buffer->_servent_ptr)) == 0 ? PL_reentrant_buffer->_servent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservbyport", a, b) : 0))
 #   endif
 #   if !defined(getservbyport) && GETSERVBYPORT_R_PROTO == REENTRANT_PROTO_S_ICSBI
-#       define getservbyport(a, b) (getservbyport_r(a, b, &PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size) ? &PL_reentrant_buffer->_servent_struct : (errno == ERANGE ? Perl_reentrant_retry("getservbyport", a, b) : 0))
+#       define getservbyport(a, b) (getservbyport_r(a, b, &PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size) ? &PL_reentrant_buffer->_servent_struct : ((errno == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservbyport", a, b) : 0))
 #   endif
 #   if !defined(getservbyport) && GETSERVBYPORT_R_PROTO == REENTRANT_PROTO_I_ICSD
-#       define getservbyport(a, b) (((errno = getservbyport_r(a, b, &PL_reentrant_buffer->_servent_struct, &PL_reentrant_buffer->_servent_data))) == 0 ? &PL_reentrant_buffer->_servent_struct : (errno == ERANGE ? Perl_reentrant_retry("getservbyport", a, b) : 0))
+#       define getservbyport(a, b) (REENTR_MEMZERO(&PL_reentrant_buffer->_servent_data, sizeof(PL_reentrant_buffer->_servent_data))(PL_reentrant_retint = getservbyport_r(a, b, &PL_reentrant_buffer->_servent_struct, &PL_reentrant_buffer->_servent_data)) == 0 ? &PL_reentrant_buffer->_servent_struct : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservbyport", a, b) : 0))
 #   endif
 #endif /* HAS_GETSERVBYPORT_R */
 
 #ifdef HAS_GETSERVENT_R
 #   undef getservent
 #   if !defined(getservent) && GETSERVENT_R_PROTO == REENTRANT_PROTO_I_SBWR
-#       define getservent() (((errno = getservent_r(&PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, &PL_reentrant_buffer->_servent_ptr))) == 0 ? PL_reentrant_buffer->_servent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getservent") : 0))
+#       define getservent() ((PL_reentrant_retint = getservent_r(&PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, &PL_reentrant_buffer->_servent_ptr)) == 0 ? PL_reentrant_buffer->_servent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservent") : 0))
 #   endif
 #   if !defined(getservent) && GETSERVENT_R_PROTO == REENTRANT_PROTO_I_SBI
-#       define getservent() (((errno = getservent_r(&PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size))) == 0 ? &PL_reentrant_buffer->_servent_struct : (errno == ERANGE ? Perl_reentrant_retry("getservent") : 0))
+#       define getservent() ((PL_reentrant_retint = getservent_r(&PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size)) == 0 ? &PL_reentrant_buffer->_servent_struct : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservent") : 0))
 #   endif
 #   if !defined(getservent) && GETSERVENT_R_PROTO == REENTRANT_PROTO_S_SBI
-#       define getservent() (getservent_r(&PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size) ? &PL_reentrant_buffer->_servent_struct : (errno == ERANGE ? Perl_reentrant_retry("getservent") : 0))
+#       define getservent() (getservent_r(&PL_reentrant_buffer->_servent_struct, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size) ? &PL_reentrant_buffer->_servent_struct : ((errno == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservent") : 0))
 #   endif
 #   if !defined(getservent) && GETSERVENT_R_PROTO == REENTRANT_PROTO_I_SD
-#       define getservent() (((errno = getservent_r(&PL_reentrant_buffer->_servent_struct, &PL_reentrant_buffer->_servent_data))) == 0 ? &PL_reentrant_buffer->_servent_struct : (errno == ERANGE ? Perl_reentrant_retry("getservent") : 0))
+#       define getservent() (REENTR_MEMZERO(&PL_reentrant_buffer->_servent_data, sizeof(PL_reentrant_buffer->_servent_data))(PL_reentrant_retint = getservent_r(&PL_reentrant_buffer->_servent_struct, &PL_reentrant_buffer->_servent_data)) == 0 ? &PL_reentrant_buffer->_servent_struct : ((PL_reentrant_retint == ERANGE) ? (struct servent *) Perl_reentrant_retry("getservent") : 0))
 #   endif
 #endif /* HAS_GETSERVENT_R */
 
 #ifdef HAS_GETSPNAM_R
 #   undef getspnam
 #   if !defined(getspnam) && GETSPNAM_R_PROTO == REENTRANT_PROTO_I_CSBWR
-#       define getspnam(a) (((errno = getspnam_r(a, &PL_reentrant_buffer->_spent_struct, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, &PL_reentrant_buffer->_spent_ptr))) == 0 ? PL_reentrant_buffer->_spent_ptr : (errno == ERANGE ? Perl_reentrant_retry("getspnam", a) : 0))
+#       define getspnam(a) ((PL_reentrant_retint = getspnam_r(a, &PL_reentrant_buffer->_spent_struct, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, &PL_reentrant_buffer->_spent_ptr)) == 0 ? PL_reentrant_buffer->_spent_ptr : ((PL_reentrant_retint == ERANGE) ? (struct spwd *) Perl_reentrant_retry("getspnam", a) : 0))
 #   endif
 #   if !defined(getspnam) && GETSPNAM_R_PROTO == REENTRANT_PROTO_S_CSBI
-#       define getspnam(a) (getspnam_r(a, &PL_reentrant_buffer->_spent_struct, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size) ? &PL_reentrant_buffer->_spent_struct : (errno == ERANGE ? Perl_reentrant_retry("getspnam", a) : 0))
+#       define getspnam(a) (getspnam_r(a, &PL_reentrant_buffer->_spent_struct, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size) ? &PL_reentrant_buffer->_spent_struct : ((errno == ERANGE) ? (struct spwd *) Perl_reentrant_retry("getspnam", a) : 0))
 #   endif
 #endif /* HAS_GETSPNAM_R */
 
@@ -1223,7 +1258,7 @@ typedef struct {
 #       define gmtime(a) (gmtime_r(a, &PL_reentrant_buffer->_gmtime_struct) ? &PL_reentrant_buffer->_gmtime_struct : 0)
 #   endif
 #   if !defined(gmtime) && GMTIME_R_PROTO == REENTRANT_PROTO_I_TS
-#       define gmtime(a) (((errno = gmtime_r(a, &PL_reentrant_buffer->_gmtime_struct))) == 0 ? &PL_reentrant_buffer->_gmtime_struct : 0)
+#       define gmtime(a) (gmtime_r(a, &PL_reentrant_buffer->_gmtime_struct) == 0 ? &PL_reentrant_buffer->_gmtime_struct : 0)
 #   endif
 #endif /* HAS_GMTIME_R */
 
@@ -1233,41 +1268,47 @@ typedef struct {
 #       define localtime(a) (localtime_r(a, &PL_reentrant_buffer->_localtime_struct) ? &PL_reentrant_buffer->_localtime_struct : 0)
 #   endif
 #   if !defined(localtime) && LOCALTIME_R_PROTO == REENTRANT_PROTO_I_TS
-#       define localtime(a) (((errno = localtime_r(a, &PL_reentrant_buffer->_localtime_struct))) == 0 ? &PL_reentrant_buffer->_localtime_struct : 0)
+#       define localtime(a) (localtime_r(a, &PL_reentrant_buffer->_localtime_struct) == 0 ? &PL_reentrant_buffer->_localtime_struct : 0)
 #   endif
 #endif /* HAS_LOCALTIME_R */
 
 #ifdef HAS_RANDOM_R
 #   undef random
-#   if !defined(random) && RANDOM_R_PROTO == REENTRANT_PROTO_I_TS
-#       define random() (((errno = random_r(T, &PL_reentrant_buffer->_random_struct))) == 0 ? &PL_reentrant_buffer->_random_struct : 0)
+#   if !defined(random) && RANDOM_R_PROTO == REENTRANT_PROTO_I_iS
+#       define random() (random_r(&PL_reentrant_buffer->_random_retval, &PL_reentrant_buffer->_random_struct) == 0 ? PL_reentrant_buffer->_random_retval : 0)
+#   endif
+#   if !defined(random) && RANDOM_R_PROTO == REENTRANT_PROTO_I_lS
+#       define random() (random_r(&PL_reentrant_buffer->_random_retval, &PL_reentrant_buffer->_random_struct) == 0 ? PL_reentrant_buffer->_random_retval : 0)
+#   endif
+#   if !defined(random) && RANDOM_R_PROTO == REENTRANT_PROTO_I_St
+#       define random() (random_r(&PL_reentrant_buffer->_random_struct, &PL_reentrant_buffer->_random_retval) == 0 ? PL_reentrant_buffer->_random_retval : 0)
 #   endif
 #endif /* HAS_RANDOM_R */
 
 #ifdef HAS_READDIR_R
 #   undef readdir
 #   if !defined(readdir) && READDIR_R_PROTO == REENTRANT_PROTO_I_TSR
-#       define readdir(a) (((errno = readdir_r(a, PL_reentrant_buffer->_readdir_struct, &PL_reentrant_buffer->_readdir_ptr))) == 0 ? PL_reentrant_buffer->_readdir_ptr : 0)
+#       define readdir(a) (readdir_r(a, PL_reentrant_buffer->_readdir_struct, &PL_reentrant_buffer->_readdir_ptr) == 0 ? PL_reentrant_buffer->_readdir_ptr : 0)
 #   endif
 #   if !defined(readdir) && READDIR_R_PROTO == REENTRANT_PROTO_I_TS
-#       define readdir(a) (((errno = readdir_r(a, PL_reentrant_buffer->_readdir_struct))) == 0 ? PL_reentrant_buffer->_readdir_struct : 0)
+#       define readdir(a) (readdir_r(a, PL_reentrant_buffer->_readdir_struct) == 0 ? PL_reentrant_buffer->_readdir_struct : 0)
 #   endif
 #endif /* HAS_READDIR_R */
 
 #ifdef HAS_READDIR64_R
 #   undef readdir64
 #   if !defined(readdir64) && READDIR64_R_PROTO == REENTRANT_PROTO_I_TSR
-#       define readdir64(a) (((errno = readdir64_r(a, PL_reentrant_buffer->_readdir64_struct, &PL_reentrant_buffer->_readdir64_ptr))) == 0 ? PL_reentrant_buffer->_readdir64_ptr : 0)
+#       define readdir64(a) (readdir64_r(a, PL_reentrant_buffer->_readdir64_struct, &PL_reentrant_buffer->_readdir64_ptr) == 0 ? PL_reentrant_buffer->_readdir64_ptr : 0)
 #   endif
 #   if !defined(readdir64) && READDIR64_R_PROTO == REENTRANT_PROTO_I_TS
-#       define readdir64(a) (((errno = readdir64_r(a, PL_reentrant_buffer->_readdir64_struct))) == 0 ? PL_reentrant_buffer->_readdir64_struct : 0)
+#       define readdir64(a) (readdir64_r(a, PL_reentrant_buffer->_readdir64_struct) == 0 ? PL_reentrant_buffer->_readdir64_struct : 0)
 #   endif
 #endif /* HAS_READDIR64_R */
 
 #ifdef HAS_SETGRENT_R
 #   undef setgrent
 #   if !defined(setgrent) && SETGRENT_R_PROTO == REENTRANT_PROTO_I_H
-#       define setgrent() (((errno = setgrent_r(&PL_reentrant_buffer->_grent_fptr))) == 0 ? 1 : 0)
+#       define setgrent() (setgrent_r(&PL_reentrant_buffer->_grent_fptr) == 0 ? 1 : 0)
 #   endif
 #   if !defined(setgrent) && SETGRENT_R_PROTO == REENTRANT_PROTO_V_H
 #       define setgrent() setgrent_r(&PL_reentrant_buffer->_grent_fptr)
@@ -1277,7 +1318,7 @@ typedef struct {
 #ifdef HAS_SETHOSTENT_R
 #   undef sethostent
 #   if !defined(sethostent) && SETHOSTENT_R_PROTO == REENTRANT_PROTO_I_ID
-#       define sethostent(a) (((errno = sethostent_r(a, &PL_reentrant_buffer->_hostent_data))) == 0 ? 1 : 0)
+#       define sethostent(a) (sethostent_r(a, &PL_reentrant_buffer->_hostent_data) == 0 ? 1 : 0)
 #   endif
 #   if !defined(sethostent) && SETHOSTENT_R_PROTO == REENTRANT_PROTO_V_ID
 #       define sethostent(a) sethostent_r(a, &PL_reentrant_buffer->_hostent_data)
@@ -1287,14 +1328,14 @@ typedef struct {
 #ifdef HAS_SETLOCALE_R
 #   undef setlocale
 #   if !defined(setlocale) && SETLOCALE_R_PROTO == REENTRANT_PROTO_I_ICBI
-#       define setlocale(a, b) (((errno = setlocale_r(a, b, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size))) == 0 ? PL_reentrant_buffer->_setlocale_buffer : 0)
+#       define setlocale(a, b) (setlocale_r(a, b, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size) == 0 ? PL_reentrant_buffer->_setlocale_buffer : 0)
 #   endif
 #endif /* HAS_SETLOCALE_R */
 
 #ifdef HAS_SETNETENT_R
 #   undef setnetent
 #   if !defined(setnetent) && SETNETENT_R_PROTO == REENTRANT_PROTO_I_ID
-#       define setnetent(a) (((errno = setnetent_r(a, &PL_reentrant_buffer->_netent_data))) == 0 ? 1 : 0)
+#       define setnetent(a) (setnetent_r(a, &PL_reentrant_buffer->_netent_data) == 0 ? 1 : 0)
 #   endif
 #   if !defined(setnetent) && SETNETENT_R_PROTO == REENTRANT_PROTO_V_ID
 #       define setnetent(a) setnetent_r(a, &PL_reentrant_buffer->_netent_data)
@@ -1304,7 +1345,7 @@ typedef struct {
 #ifdef HAS_SETPROTOENT_R
 #   undef setprotoent
 #   if !defined(setprotoent) && SETPROTOENT_R_PROTO == REENTRANT_PROTO_I_ID
-#       define setprotoent(a) (((errno = setprotoent_r(a, &PL_reentrant_buffer->_protoent_data))) == 0 ? 1 : 0)
+#       define setprotoent(a) (setprotoent_r(a, &PL_reentrant_buffer->_protoent_data) == 0 ? 1 : 0)
 #   endif
 #   if !defined(setprotoent) && SETPROTOENT_R_PROTO == REENTRANT_PROTO_V_ID
 #       define setprotoent(a) setprotoent_r(a, &PL_reentrant_buffer->_protoent_data)
@@ -1314,7 +1355,7 @@ typedef struct {
 #ifdef HAS_SETPWENT_R
 #   undef setpwent
 #   if !defined(setpwent) && SETPWENT_R_PROTO == REENTRANT_PROTO_I_H
-#       define setpwent() (((errno = setpwent_r(&PL_reentrant_buffer->_pwent_fptr))) == 0 ? 1 : 0)
+#       define setpwent() (setpwent_r(&PL_reentrant_buffer->_pwent_fptr) == 0 ? 1 : 0)
 #   endif
 #   if !defined(setpwent) && SETPWENT_R_PROTO == REENTRANT_PROTO_V_H
 #       define setpwent() setpwent_r(&PL_reentrant_buffer->_pwent_fptr)
@@ -1324,7 +1365,7 @@ typedef struct {
 #ifdef HAS_SETSERVENT_R
 #   undef setservent
 #   if !defined(setservent) && SETSERVENT_R_PROTO == REENTRANT_PROTO_I_ID
-#       define setservent(a) (((errno = setservent_r(a, &PL_reentrant_buffer->_servent_data))) == 0 ? 1 : 0)
+#       define setservent(a) (setservent_r(a, &PL_reentrant_buffer->_servent_data) == 0 ? 1 : 0)
 #   endif
 #   if !defined(setservent) && SETSERVENT_R_PROTO == REENTRANT_PROTO_V_ID
 #       define setservent(a) setservent_r(a, &PL_reentrant_buffer->_servent_data)
@@ -1334,24 +1375,24 @@ typedef struct {
 #ifdef HAS_SRAND48_R
 #   undef srand48
 #   if !defined(srand48) && SRAND48_R_PROTO == REENTRANT_PROTO_I_LS
-#       define srand48(a) (((errno = srand48_r(a, &PL_reentrant_buffer->_drand48_struct))) == 0 ? &PL_reentrant_buffer->_drand48_struct : 0)
+#       define srand48(a) (srand48_r(a, &PL_reentrant_buffer->_drand48_struct) == 0 ? &PL_reentrant_buffer->_drand48_struct : 0)
 #   endif
 #endif /* HAS_SRAND48_R */
 
 #ifdef HAS_SRANDOM_R
 #   undef srandom
 #   if !defined(srandom) && SRANDOM_R_PROTO == REENTRANT_PROTO_I_TS
-#       define srandom(a) (((errno = srandom_r(a, &PL_reentrant_buffer->_srandom_struct))) == 0 ? &PL_reentrant_buffer->_srandom_struct : 0)
+#       define srandom(a) (srandom_r(a, &PL_reentrant_buffer->_srandom_struct) == 0 ? &PL_reentrant_buffer->_srandom_struct : 0)
 #   endif
 #endif /* HAS_SRANDOM_R */
 
 #ifdef HAS_STRERROR_R
 #   undef strerror
 #   if !defined(strerror) && STRERROR_R_PROTO == REENTRANT_PROTO_I_IBW
-#       define strerror(a) (((errno = strerror_r(a, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size))) == 0 ? PL_reentrant_buffer->_strerror_buffer : 0)
+#       define strerror(a) (strerror_r(a, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size) == 0 ? PL_reentrant_buffer->_strerror_buffer : 0)
 #   endif
 #   if !defined(strerror) && STRERROR_R_PROTO == REENTRANT_PROTO_I_IBI
-#       define strerror(a) (((errno = strerror_r(a, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size))) == 0 ? PL_reentrant_buffer->_strerror_buffer : 0)
+#       define strerror(a) (strerror_r(a, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size) == 0 ? PL_reentrant_buffer->_strerror_buffer : 0)
 #   endif
 #   if !defined(strerror) && STRERROR_R_PROTO == REENTRANT_PROTO_B_IBW
 #       define strerror(a) strerror_r(a, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size)
@@ -1368,10 +1409,10 @@ typedef struct {
 #ifdef HAS_TTYNAME_R
 #   undef ttyname
 #   if !defined(ttyname) && TTYNAME_R_PROTO == REENTRANT_PROTO_I_IBW
-#       define ttyname(a) (((errno = ttyname_r(a, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size))) == 0 ? PL_reentrant_buffer->_ttyname_buffer : 0)
+#       define ttyname(a) (ttyname_r(a, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size) == 0 ? PL_reentrant_buffer->_ttyname_buffer : 0)
 #   endif
 #   if !defined(ttyname) && TTYNAME_R_PROTO == REENTRANT_PROTO_I_IBI
-#       define ttyname(a) (((errno = ttyname_r(a, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size))) == 0 ? PL_reentrant_buffer->_ttyname_buffer : 0)
+#       define ttyname(a) (ttyname_r(a, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size) == 0 ? PL_reentrant_buffer->_ttyname_buffer : 0)
 #   endif
 #   if !defined(ttyname) && TTYNAME_R_PROTO == REENTRANT_PROTO_B_IBI
 #       define ttyname(a) ttyname_r(a, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size)
@@ -1379,7 +1420,9 @@ typedef struct {
 #endif /* HAS_TTYNAME_R */
 
 
+
 #endif /* USE_REENTRANT_API */
  
 #endif
 
+/* ex: set ro: */