+#ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */
+# define DONT_MASK_RTL_CALLS
+#endif
+
+#include <namdef.h>
+
+/* Set the maximum filespec size here as it is larger for EFS file
+ * specifications.
+ */
+#ifndef __VAX
+#ifndef VMS_MAXRSS
+#ifdef NAML$C_MAXRSS
+#define VMS_MAXRSS (NAML$C_MAXRSS+1)
+#ifndef VMS_LONGNAME_SUPPORT
+#define VMS_LONGNAME_SUPPORT 1
+#endif /* VMS_LONGNAME_SUPPORT */
+#endif /* NAML$C_MAXRSS */
+#endif /* VMS_MAXRSS */
+#endif
+
+#ifndef VMS_MAXRSS
+#define VMS_MAXRSS (NAM$C_MAXRSS + 1)
+#endif
+
+#ifndef MAXPATHLEN
+#define MAXPATHLEN (VMS_MAXRSS - 1)
+#endif
+
+
+/* Note that we do, in fact, have this */
+#define HAS_GETENV_SV
+#define HAS_GETENV_LEN
+
+
+#ifndef PERL_FOR_X2P
+
+#ifndef DONT_MASK_RTL_CALLS
+# ifdef getenv
+# undef getenv
+# endif
+ /* getenv used for regular logical names */
+# define getenv(v) Perl_my_getenv(aTHX_ v,TRUE)
+#endif
+#ifdef getenv_len
+# undef getenv_len
+#endif
+#define getenv_len(v,l) Perl_my_getenv_len(aTHX_ v,l,TRUE)
+
+/* DECC introduces this routine in the RTL as of VMS 7.0; for now,
+ * we'll use ours, since it gives us the full VMS exit status. */
+#define waitpid my_waitpid
+
+/* Don't redeclare standard RTL routines in Perl's header files;
+ * VMS history or extensions makes some of the formal protoypes
+ * differ from the common Unix forms.
+ */
+#define DONT_DECLARE_STD 1
+
+/* Our own contribution to PerlShr's global symbols . . . */
+
+#if !defined(PERL_IMPLICIT_CONTEXT)
+#define opendir Perl_opendir
+#define rename Perl_rename
+#define seekdir Perl_seekdir
+#define readdir Perl_readdir
+#define readdir_r Perl_readdir_r
+#else
+#define opendir(a) Perl_opendir(aTHX_ a)
+#define rename(a,b) Perl_rename(aTHX_ a,b)
+#define seekdir(a,b) Perl_seekdir(aTHX_ a,b)
+#define readdir(a) Perl_readdir(aTHX_ a)
+#define readdir_r(a,b,c) Perl_readdir_r(aTHX_ a,b,c)
+#endif
+#define closedir(a) Perl_closedir(a)
+#define telldir(a) Perl_telldir(a)
+#define vmsreaddirversions(a,b) Perl_vmsreaddirversions(a,b)
+
+#define cando_by_name(a,b,c) Perl_cando_by_name(aTHX_ a,b,c)
+#define do_rmdir(a) Perl_do_rmdir(aTHX_ a)
+#define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
+#define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
+#define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
+#define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
+#define fileify_dirspec_utf8(a,b,c) Perl_fileify_dirspec(aTHX_ a,b,utf8)
+#define fileify_dirspec_utf8_ts(a,b,c) Perl_fileify_dirspec_ts(aTHX_ a,b,utf8)
+#define flex_fstat(a,b) Perl_flex_fstat(aTHX_ a,b)
+#define flex_lstat(a,b) Perl_flex_lstat(aTHX_ a,b)
+#define flex_stat(a,b) Perl_flex_stat(aTHX_ a,b)
+#define init_os_extras Perl_init_os_extras
+#define kill_file(a) Perl_kill_file(aTHX_ a)
+#define my_chdir(a) Perl_my_chdir(aTHX_ a)
+#define my_chmod(a,b) Perl_my_chmod(aTHX_ a,b)
+#define my_crypt(a,b) Perl_my_crypt(aTHX_ a,b)
+#define my_endpwent() Perl_my_endpwent(aTHX)
+#define my_fclose(a) Perl_my_fclose(a)
+#define my_fdopen(a,b) Perl_my_fdopen(a,b)
+#define my_flush(a) Perl_my_flush(aTHX_ a)
+#define my_fwrite(a,b,c,d) Perl_my_fwrite(a,b,c,d)
+#define my_fgetname(a,b) Perl_my_fgetname(a,b)
+#define my_gconvert(a,b,c,d) Perl_my_gconvert(a,b,c,d)
+#define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b)
+#define my_getenv_len(a,b,c) Perl_my_getenv_len(aTHX_ a,b,c)
+#define my_getlogin Perl_my_getlogin
+#define my_getpwent() Perl_my_getpwent(aTHX)
+#define my_getpwnam(a) Perl_my_getpwnam(aTHX_ a)
+#define my_getpwuid(a) Perl_my_getpwuid(aTHX_ a)
+#define my_gmtime(a) Perl_my_gmtime(aTHX_ a)
+#define my_localtime(a) Perl_my_localtime(aTHX_ a)
+#define my_mkdir(a,b) Perl_my_mkdir(aTHX_ a,b)
+#define my_sigemptyset(a) Perl_my_sigemptyset(a)
+#define my_sigfillset(a) Perl_my_sigfillset(a)
+#define my_sigaddset(a,b) Perl_my_sigaddset(a,b)
+#define my_sigdelset(a,b,c) Perl_my_sigdelset(a,b,c)
+#define my_sigismember(a,b) Perl_my_sigismember(a,b)
+#define my_sigprocmask(a,b,c) Perl_my_sigprocmask(a,b,c)
+#ifdef HAS_SYMLINK
+# define my_symlink(a,b) Perl_my_symlink(aTHX_ a,b)
+#endif
+#define my_time(a) Perl_my_time(aTHX_ a)
+#define my_tmpfile Perl_my_tmpfile
+#define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c)
+#define my_utime(a,b) Perl_my_utime(aTHX_ a,b)
+#define my_vfork Perl_my_vfork
+#define my_waitpid(a,b,c) Perl_my_waitpid(aTHX_ a,b,c)
+#define pathify_dirspec(a,b) Perl_pathify_dirspec(aTHX a,b)
+#define pathify_dirspec_ts(a,b) Perl_pathify_dirspec_ts(aTHX a,b)
+#define pathify_dirspec_utf8(a,b,c) Perl_pathify_dirspec_utf8(aTHX a,b,c)
+#define pathify_dirspec_utf8_ts(a,b,c) Perl_pathify_dirspec_utf8_ts(aTHX a,b,c)
+#define prime_env_iter Perl_prime_env_iter
+#define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c)
+#define rmsexpand(a,b,c,d) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,NULL,NULL)
+#define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,NULL,NULL)
+#define rmsexpand_utf8(a,b,c,d,e,f) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,e,f)
+#define rmsexpand_utf8_ts(a,b,c,d,e,f) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,e,f)
+#define tounixpath(a,b) Perl_tounixpath_utf8(aTHX_ a,b,NULL)
+#define tounixpath_ts(a,b) Perl_tounixpath_utf8_ts(aTHX_ a,b,NULL)
+#define tounixpath_utf8(a,b,c) Perl_tounixpath_utf8(aTHX_ a,b,c)
+#define tounixpath_utf8_ts(a,b,c) Perl_tounixpath_utf8_ts(aTHX_ a,b,c)
+#define tounixspec(a,b) Perl_tounixspec_utf8(aTHX_ a,b,NULL)
+#define tounixspec_ts(a,b) Perl_tounixspec_utf8_ts(aTHX_ a,b,NULL)
+#define tounixspec_utf8(a,b,c) Perl_tounixspec_utf8(aTHX_ a,b,c)
+#define tounixspec_utf8_ts(a,b,c) Perl_tounixspec_utf8_ts(aTHX_ a,b,c)
+#define tovmspath(a,b) Perl_tovmspath_utf8(aTHX_ a,b,NULL)
+#define tovmspath_ts(a,b) Perl_tovmspath_utf8_ts(aTHX_ a,b,NULL)
+#define tovmspath_utf8(a,b,c) Perl_tovmspath_utf8(aTHX_ a,b,c)
+#define tovmspath_utf8_ts(a,b,c) Perl_tovmspath_utf8_ts(aTHX_ a,b,c)
+#define tovmsspec(a,b) Perl_tovmsspec_utf8(aTHX_ a,b,NULL)
+#define tovmsspec_ts(a,b) Perl_tovmsspec_utf8_ts(aTHX_ a,b)
+#define tovmsspec_utf8(a,b,c) Perl_tovmsspec_utf8(aTHX_ a,b,c)
+#define tovmsspec_utf8_ts(a,b,c) Perl_tovmsspec_utf8_ts(aTHX_ a,b,c)
+#define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c)
+#define vms_do_aexec(a,b,c) Perl_vms_do_aexec(aTHX_ a,b,c)
+#define vms_do_exec(a) Perl_vms_do_exec(aTHX_ a)
+#define vms_case_tolerant(a) Perl_vms_case_tolerant(a)
+#define vms_image_init(a,b) Perl_vms_image_init(a,b)
+#define vms_realname(a,b,c) Perl_vms_realname(aTHX_ a,b,c)
+#define vms_realpath(a,b,c) Perl_vms_realpath(aTHX_ a,b,c)
+#define vmssetenv(a,b,c) Perl_vmssetenv(aTHX_ a,b,c)
+#define vmstrnenv(a,b,c,d,e) Perl_vmstrnenv(a,b,c,d,e)
+
+/* Delete if at all possible, changing protections if necessary. */
+#define unlink(a) kill_file(a)
+
+/*
+ * Intercept calls to fork, so we know whether subsequent calls to
+ * exec should be handled in VMSish or Unixish style.
+ */
+#define fork my_vfork
+#ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */
+# ifdef vfork
+# undef vfork
+# endif
+# define vfork my_vfork