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[perl5.git] / reentr.pl
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10bc17b6
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1#!/usr/bin/perl -w
2
3#
4# Generate the reentr.c and reentr.h,
5# and optionally also the relevant metaconfig units (-U option).
6#
7
8use strict;
9use Getopt::Std;
10my %opts;
11getopts('U', \%opts);
12
13my %map = (
14 V => "void",
15 A => "char*", # as an input argument
16 B => "char*", # as an output argument
17 C => "const char*", # as a read-only input argument
18 I => "int",
19 L => "long",
20 W => "size_t",
21 H => "FILE**",
22 E => "int*",
23 );
24
25# (See the definitions after __DATA__.)
26# In func|inc|type|... a "S" means "type*", and a "R" means "type**".
27# (The "types" are often structs, such as "struct passwd".)
28#
29# After the prototypes one can have |X=...|Y=... to define more types.
30# A commonly used extra type is to define D to be equal to "type_data",
31# for example "struct_hostent_data to" go with "struct hostent".
32#
33# Example #1: I_XSBWR means int func_r(X, type, char*, size_t, type**)
34# Example #2: S_SBIE means type func_r(type, char*, int, int*)
35# Example #3: S_CBI means type func_r(const char*, char*, int)
36
37
38die "reentr.h: $!" unless open(H, ">reentr.h");
39select H;
40print <<EOF;
41/*
42 * reentr.h
43 *
44 * Copyright (c) 1997-2002, Larry Wall
45 *
46 * You may distribute under the terms of either the GNU General Public
47 * License or the Artistic License, as specified in the README file.
48 *
49 * !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
50 * This file is built by reentrl.pl from data in reentr.pl.
51 */
52
53#ifndef REENTR_H
54#define REENTR_H
55
56#ifdef USE_REENTRANT_API
57
58/* Deprecations: some platforms have the said reentrant interfaces
59 * but they are declared obsolete and are not to be used. Often this
60 * means that the platform has threadsafed the interfaces (hopefully).
61 * All this is OS version dependent, so we are of course fooling ourselves.
62 * If you know of more deprecations on some platforms, please add your own. */
63
64#ifdef __hpux
65# undef HAS_CRYPT_R
66# undef HAS_DRAND48_R
efa45b01
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67# undef HAS_ENDGRENT_R
68# undef HAS_ENDPWENT_R
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69# undef HAS_GETGRENT_R
70# undef HAS_GETPWENT_R
71# undef HAS_SETLOCALE_R
72# undef HAS_SRAND48_R
73# undef HAS_STRERROR_R
74# define NETDB_R_OBSOLETE
75#endif
76
77#if defined(__osf__) && defined(__alpha) /* Tru64 aka Digital UNIX */
78# undef HAS_CRYPT_R
79# undef HAS_STRERROR_R
80# define NETDB_R_OBSOLETE
81#endif
82
83#ifdef NETDB_R_OBSOLETE
84# undef HAS_ENDHOSTENT_R
85# undef HAS_ENDNETENT_R
86# undef HAS_ENDPROTOENT_R
87# undef HAS_ENDSERVENT_R
88# undef HAS_GETHOSTBYADDR_R
89# undef HAS_GETHOSTBYNAME_R
90# undef HAS_GETHOSTENT_R
91# undef HAS_GETNETBYADDR_R
92# undef HAS_GETNETBYNAME_R
93# undef HAS_GETNETENT_R
94# undef HAS_GETPROTOBYNAME_R
95# undef HAS_GETPROTOBYNUMBER_R
96# undef HAS_GETPROTOENT_R
97# undef HAS_GETSERVBYNAME_R
98# undef HAS_GETSERVBYPORT_R
99# undef HAS_GETSERVENT_R
100# undef HAS_SETHOSTENT_R
101# undef HAS_SETNETENT_R
102# undef HAS_SETPROTOENT_R
103# undef HAS_SETSERVENT_R
104#endif
105
106#ifdef I_PWD
107# include <pwd.h>
108#endif
109#ifdef I_GRP
110# include <grp.h>
111#endif
112#ifdef I_NETDB
113# include <netdb.h>
114#endif
115#ifdef I_STDLIB
116# include <stdlib.h> /* drand48_data */
117#endif
118#ifdef I_CRYPT
119# ifdef I_CRYPT
120# include <crypt.h>
121# endif
122#endif
123#ifdef HAS_GETSPNAM_R
124# ifdef I_SHADOW
125# include <shadow.h>
126# endif
127#endif
128
129EOF
130
131my %seenh;
132my %seena;
133my @seenf;
134my %seenp;
135my %seent;
136my %seens;
137my %seend;
138my %seenu;
139
140while (<DATA>) {
141 next if /^\s+$/;
142 chomp;
143 my ($f, $h, $t, @p) = split(/\s*\|\s*/, $_, -1);
144 my $u;
145 ($f, $u) = split(' ', $f);
146 $seenu{$f} = defined $u ? length $u : 0;
147 my $F = uc $f;
148 push @seenf, $f;
149 my %m = %map;
150 if ($t) {
151 $m{S} = "$t*";
152 $m{R} = "$t**";
153 }
154 if (@p) {
155 while ($p[-1] =~ /=/) {
156 my ($k, $v) = ($p[-1] =~ /^([A-Za-z])\s*=\s*(.*)/);
157 $m{$k} = $v;
158 pop @p;
159 }
160 }
161 if ($opts{U} && open(U, ">d_${f}_r.U")) {
162 select U;
163 }
164 my $prereqh = $h eq 'stdio' ? '' : "i_$h"; # There's no i_stdio.
165 print <<EOF if $opts{U};
166?RCS: \$Id: d_${f}_r.U,v $
167?RCS:
168?RCS: Copyright (c) 2002 Jarkko Hietaniemi
169?RCS:
170?RCS: You may distribute under the terms of either the GNU General Public
171?RCS: License or the Artistic License, as specified in the README file.
172?RCS:
173?RCS: Generated by the reentr.pl from the Perl 5.8 distribution.
174?RCS:
c18e646a 175?MAKE:d_${f}_r ${f}_r_proto: Inlibc Protochk Hasproto i_systypes $prereqh usethreads
10bc17b6
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176?MAKE: -pick add \$@ %<
177?S:d_${f}_r:
178?S: This variable conditionally defines the HAS_${F}_R symbol,
179?S: which indicates to the C program that the ${f}_r()
180?S: routine is available.
181?S:.
182?S:${f}_r_proto:
183?S: This variable encodes the prototype of ${f}_r.
184?S:.
185?C:HAS_${F}_R:
186?C: This symbol, if defined, indicates that the ${f}_r routine
187?C: is available to ${f} re-entrantly.
188?C:.
189?C:${F}_R_PROTO:
190?C: This symbol encodes the prototype of ${f}_r.
191?C:.
192?H:#\$d_${f}_r HAS_${F}_R /**/
193?H:#define ${F}_R_PROTO \$${f}_r_proto /**/
194?H:.
a48ec845 195?T:try hdrs d_${f}_r_proto
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196?LINT:set d_${f}_r
197?LINT:set ${f}_r_proto
198: see if ${f}_r exists
199set ${f}_r d_${f}_r
200eval \$inlibc
201case "\$d_${f}_r" in
202"\$define")
203 hdrs="\$i_systypes sys/types.h define stdio.h \$i_${h} $h.h"
c18e646a
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204 case "\$d_${f}_r_proto:\$usethreads" in
205 ":define") d_${f}_r_proto=define
a48ec845
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206 set d_${f}_r_proto ${f}_r \$hdrs
207 eval \$hasproto ;;
208 *) ;;
209 esac
210 case "\$d_${f}_r_proto" in
211 define)
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212EOF
213 for my $p (@p) {
214 my ($r, $a) = ($p =~ /^(.)_(.+)/);
215 my $v = join(", ", map { $m{$_} } split '', $a);
216 if ($opts{U}) {
217 print <<EOF ;
218 case "\$${f}_r_proto" in
219 ''|0) try='$m{$r} ${f}_r($v);'
220 ./protochk "extern \$try" \$hdrs && ${f}_r_proto=$p ;;
221 esac
222EOF
223 }
224 $seenh{$f}->{$p}++;
225 push @{$seena{$f}}, $p;
226 $seenp{$p}++;
227 $seent{$f} = $t;
228 $seens{$f} = $m{S};
229 $seend{$f} = $m{D};
230 }
231 if ($opts{U}) {
232 print <<EOF;
233 case "\$${f}_r_proto" in
234 '') d_${f}_r=undef
235 ${f}_r_proto=0
a48ec845 236 echo "Disabling ${f}_r, cannot determine prototype." >&4 ;;
10bc17b6
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237 * ) case "\$${f}_r_proto" in
238 REENTRANT_PROTO*) ;;
239 *) ${f}_r_proto="REENTRANT_PROTO_\$${f}_r_proto" ;;
240 esac
241 echo "Prototype: \$try" ;;
242 esac
243 ;;
c18e646a
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244 *) case "\$usethreads" in
245 define) echo "${f}_r has no prototype, not using it." >&4 ;;
246 esac
247 ;;
a48ec845
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248 esac
249 ;;
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250*) ${f}_r_proto=0
251 ;;
252esac
253
254EOF
255 close(U);
256 }
257}
258
259close DATA;
260
261select H;
262
263{
264 my $i = 1;
265 for my $p (sort keys %seenp) {
266 print "#define REENTRANT_PROTO_${p} ${i}\n";
267 $i++;
268 }
269}
270
271sub ifprotomatch {
272 my $F = shift;
273 join " || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @_;
274}
275
276my @struct;
277my @size;
278my @init;
279my @free;
280my @wrap;
281my @define;
282
283sub pushssif {
284 push @struct, @_;
285 push @size, @_;
286 push @init, @_;
287 push @free, @_;
288}
289
290sub pushinitfree {
291 my $f = shift;
292 push @init, <<EOF;
293 New(31338, PL_reentrant_buffer->_${f}_buffer, PL_reentrant_buffer->_${f}_size, char);
294EOF
295 push @free, <<EOF;
296 Safefree(PL_reentrant_buffer->_${f}_buffer);
297EOF
298}
299
300sub define {
301 my ($n, $p, @F) = @_;
302 my @H;
303 my $H = uc $F[0];
304 push @define, <<EOF;
305/* The @F using \L$n? */
306
307EOF
308 for my $f (@F) {
309 my $F = uc $f;
310 my $h = "${F}_R_HAS_$n";
311 push @H, $h;
312 my @h = grep { /$p/ } @{$seena{$f}};
313 if (@h) {
09310450 314 push @define, "#if defined(HAS_${F}_R) && (" . join(" || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @h) . ")\n";
10bc17b6
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315
316 push @define, <<EOF;
317# define $h
318#else
319# undef $h
320#endif
321EOF
322 }
323 }
324 push @define, <<EOF;
325
326/* Any of the @F using \L$n? */
327
328EOF
329 push @define, "#if (" . join(" || ", map { "defined($_)" } @H) . ")\n";
330 push @define, <<EOF;
331# define USE_${H}_$n
332#else
333# undef USE_${H}_$n
334#endif
335
336EOF
337}
338
339define('PTR', 'R',
340 qw(getgrent getgrgid getgrnam));
341define('PTR', 'R',
342 qw(getpwent getpwnam getpwuid));
343define('PTR', 'R',
344 qw(getspent getspnam));
345
346define('FPTR', 'H',
347 qw(getgrent getgrgid getgrnam));
348define('FPTR', 'H',
349 qw(getpwent getpwnam getpwuid));
350
351define('PTR', 'R',
352 qw(gethostent gethostbyaddr gethostbyname));
353define('PTR', 'R',
354 qw(getnetent getnetbyaddr getnetbyname));
355define('PTR', 'R',
356 qw(getprotoent getprotobyname getprotobynumber));
357define('PTR', 'R',
358 qw(getservent getservbyname getservbyport));
359
360define('ERRNO', 'E',
361 qw(gethostent gethostbyaddr gethostbyname));
362define('ERRNO', 'E',
363 qw(getnetent getnetbyaddr getnetbyname));
364
365for my $f (@seenf) {
366 my $F = uc $f;
367 my $ifdef = "#ifdef HAS_${F}_R\n";
368 my $endif = "#endif /* HAS_${F}_R */\n";
369 if (exists $seena{$f}) {
370 my @p = @{$seena{$f}};
371 if ($f =~ /^(asctime|ctime|getlogin|setlocale|strerror|ttyname)$/) {
372 pushssif $ifdef;
373 push @struct, <<EOF;
374 char* _${f}_buffer;
375 size_t _${f}_size;
376EOF
377 push @size, <<EOF;
378 PL_reentrant_buffer->_${f}_size = 256; /* Make something up. */
379EOF
380 pushinitfree $f;
381 pushssif $endif;
382 }
383 elsif ($f =~ /^(crypt|drand48|gmtime|localtime|random)$/) {
384 pushssif $ifdef;
385 push @struct, <<EOF;
386 $seent{$f} _${f}_struct;
387EOF
388 if ($f eq 'crypt') {
389 push @init, <<EOF;
390#ifdef __GLIBC__
391 PL_reentrant_buffer->_${f}_struct.initialized = 0;
392#endif
393EOF
394 }
395 if ($1 eq 'drand48') {
396 push @struct, <<EOF;
397 double _${f}_double;
398EOF
399 }
400 pushssif $endif;
401 }
402 elsif ($f =~ /^(getgrnam|getpwnam|getspnam)$/) {
403 pushssif $ifdef;
404 my $g = $f;
405 $g =~ s/nam/ent/g;
406 my $G = uc $g;
407 push @struct, <<EOF;
408 $seent{$f} _${g}_struct;
409 char* _${g}_buffer;
410 size_t _${g}_size;
411EOF
412 push @struct, <<EOF;
413# ifdef USE_${G}_PTR
414 $seent{$f}* _${g}_ptr;
415# endif
416EOF
417 if ($g eq 'getspent') {
418 push @size, <<EOF;
419 PL_reentrant_buffer->_${g}_size = 1024;
420EOF
421 } else {
422 push @struct, <<EOF;
423# ifdef USE_${G}_FPTR
424 FILE* _${g}_fptr;
425# endif
426EOF
427 push @init, <<EOF;
428# ifdef USE_${G}_FPTR
429 PL_reentrant_buffer->_${g}_fptr = NULL;
430# endif
431EOF
432 my $sc = $g eq 'getgrent' ?
433 '_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX';
434 push @size, <<EOF;
435# if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__)
436 PL_reentrant_buffer->_${g}_size = sysconf($sc);
437# else
438# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
439 PL_reentrant_buffer->_${g}_size = SIABUFSIZ;
440# else
441# ifdef __sgi
442 PL_reentrant_buffer->_${g}_size = BUFSIZ;
443# else
444 PL_reentrant_buffer->_${g}_size = 2048;
445# endif
446# endif
447# endif
448EOF
449 }
450 pushinitfree $g;
451 pushssif $endif;
452 }
453 elsif ($f =~ /^(gethostbyname|getnetbyname|getservbyname|getprotobyname)$/) {
454 pushssif $ifdef;
455 my $g = $f;
456 $g =~ s/byname/ent/;
457 my $G = uc $g;
458 my $D = ifprotomatch($F, grep {/D/} @p);
459 my $d = $seend{$f};
460 push @struct, <<EOF;
461 $seent{$f} _${g}_struct;
462# if $D
463 $d _${g}_data;
464# else
465 char* _${g}_buffer;
466 size_t _${g}_size;
467# endif
468# ifdef USE_${G}_PTR
469 $seent{$f}* _${g}_ptr;
470# endif
471EOF
472 push @struct, <<EOF;
473# ifdef USE_${G}_ERRNO
474 int _${g}_errno;
475# endif
476EOF
477 push @size, <<EOF;
478#if !($D)
479 PL_reentrant_buffer->_${g}_size = 2048; /* Any better ideas? */
480#endif
481EOF
482 push @init, <<EOF;
483#if !($D)
484 New(31338, PL_reentrant_buffer->_${g}_buffer, PL_reentrant_buffer->_${g}_size, char);
485#endif
486EOF
487 push @free, <<EOF;
488#if !($D)
489 Safefree(PL_reentrant_buffer->_${g}_buffer);
490#endif
491EOF
492 pushssif $endif;
493 }
494 elsif ($f =~ /^(readdir|readdir64)$/) {
495 pushssif $ifdef;
496 my $R = ifprotomatch($F, grep {/R/} @p);
497 push @struct, <<EOF;
498 $seent{$f}* _${f}_struct;
499 size_t _${f}_size;
500# if $R
501 $seent{$f}* _${f}_ptr;
502# endif
503EOF
504 push @size, <<EOF;
505 /* This is the size Solaris recommends.
506 * (though we go static, should use pathconf() instead) */
507 PL_reentrant_buffer->_${f}_size = sizeof($seent{$f}) + MAXPATHLEN + 1;
508EOF
509 push @init, <<EOF;
510 PL_reentrant_buffer->_${f}_struct = ($seent{$f}*)safemalloc(PL_reentrant_buffer->_${f}_size);
511EOF
512 push @free, <<EOF;
513 Safefree(PL_reentrant_buffer->_${f}_struct);
514EOF
515 pushssif $endif;
516 }
517
518 push @wrap, $ifdef;
519
520# Doesn't implement the buffer growth loop for glibc gethostby*().
521 push @wrap, <<EOF;
522# undef $f
523EOF
524 my @v = 'a'..'z';
525 my $v = join(", ", @v[0..$seenu{$f}-1]);
526 for my $p (@p) {
527 my ($r, $a) = split '_', $p;
528 my $test = $r eq 'I' ? ' == 0' : '';
529 my $true = 1;
530 my $false = 0;
531 my $g = $f;
532 if ($g =~ /^(?:get|set|end)(pw|gr|host|net|proto|serv|sp)/) {
533 $g = "get$1ent";
534 } elsif ($g eq 'srand48') {
535 $g = "drand48";
536 }
537 my $b = $a;
538 my $w = '';
539 substr($b, 0, $seenu{$f}) = '';
540 if ($b =~ /R/) {
541 $true = "PL_reentrant_buffer->_${g}_ptr";
542 } elsif ($b =~ /T/ && $f eq 'drand48') {
543 $true = "PL_reentrant_buffer->_${g}_double";
544 } elsif ($b =~ /S/) {
545 if ($f =~ /^readdir/) {
546 $true = "PL_reentrant_buffer->_${g}_struct";
547 } else {
548 $true = "&PL_reentrant_buffer->_${g}_struct";
549 }
550 } elsif ($b =~ /B/) {
551 $true = "PL_reentrant_buffer->_${g}_buffer";
552 }
553 if (length $b) {
554 $w = join ", ",
555 map {
556 $_ eq 'R' ?
557 "&PL_reentrant_buffer->_${g}_ptr" :
558 $_ eq 'E' ?
559 "&PL_reentrant_buffer->_${g}_errno" :
560 $_ eq 'B' ?
561 "PL_reentrant_buffer->_${g}_buffer" :
562 $_ =~ /^[WI]$/ ?
563 "PL_reentrant_buffer->_${g}_size" :
564 $_ eq 'H' ?
565 "&PL_reentrant_buffer->_${g}_fptr" :
566 $_ eq 'D' ?
567 "&PL_reentrant_buffer->_${g}_data" :
568 $_ eq 'S' ?
569 ($f =~ /^readdir/ ?
570 "PL_reentrant_buffer->_${g}_struct" :
571 "&PL_reentrant_buffer->_${g}_struct" ) :
572 $_ eq 'T' && $f eq 'drand48' ?
573 "&PL_reentrant_buffer->_${g}_double" :
574 $_
575 } split '', $b;
576 $w = ", $w" if length $v;
577 }
578 my $call = "${f}_r($v$w)";
579 $call = "((errno = $call))" if $r eq 'I';
580 push @wrap, <<EOF;
581# if !defined($f) && ${F}_R_PROTO == REENTRANT_PROTO_$p
582EOF
583 if ($r eq 'V' || $r eq 'B') {
584 push @wrap, <<EOF;
585# define $f($v) $call
586EOF
587 } else {
588 push @wrap, <<EOF;
589# define $f($v) ($call$test ? $true : $false)
590EOF
591 }
592 push @wrap, <<EOF;
593# endif
594EOF
595 }
596
597 push @wrap, $endif, "\n";
598 }
599}
600
601local $" = '';
602
603print <<EOF;
604
605/* Defines for indicating which special features are supported. */
606
607@define
608typedef struct {
609@struct
610} REENTR;
611
612/* The wrappers. */
613
614@wrap
615#endif /* USE_REENTRANT_API */
616
617#endif
618
619EOF
620
621close(H);
622
623die "reentr.c: $!" unless open(C, ">reentr.c");
624select C;
625print <<EOF;
626/*
627 * reentr.c
628 *
629 * Copyright (c) 1997-2002, Larry Wall
630 *
631 * You may distribute under the terms of either the GNU General Public
632 * License or the Artistic License, as specified in the README file.
633 *
634 * !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
635 * This file is built by reentrl.pl from data in reentr.pl.
636 *
637 * "Saruman," I said, standing away from him, "only one hand at a time can
638 * wield the One, and you know that well, so do not trouble to say we!"
639 *
640 */
641
642#include "EXTERN.h"
643#define PERL_IN_REENTR_C
644#include "perl.h"
645#include "reentr.h"
646
647void
648Perl_reentrant_size(pTHX) {
649#ifdef USE_REENTRANT_API
650@size
651#endif /* USE_REENTRANT_API */
652}
653
654void
655Perl_reentrant_init(pTHX) {
656#ifdef USE_REENTRANT_API
657 New(31337, PL_reentrant_buffer, 1, REENTR);
658 Perl_reentrant_size(aTHX);
659@init
660#endif /* USE_REENTRANT_API */
661}
662
663void
664Perl_reentrant_free(pTHX) {
665#ifdef USE_REENTRANT_API
666@free
667 Safefree(PL_reentrant_buffer);
668#endif /* USE_REENTRANT_API */
669}
670
671EOF
672
673__DATA__
674asctime S |time |const struct tm|B_SB|B_SBI|I_SB|I_SBI
675crypt CC |crypt |struct crypt_data|B_CCS
676ctermid B |stdio | |B_B
677ctime S |time |const time_t |B_SB|B_SBI|I_SB|I_SBI
678drand48 |stdlib |struct drand48_data |I_ST|T=double*
679endgrent |grp | |I_H|V_H
680endhostent |netdb |struct hostent_data |I_S|V_S
681endnetent |netdb |struct netent_data |I_S|V_S
682endprotoent |netdb |struct protoent_data |I_S|V_S
683endpwent |pwd | |I_H|V_H
684endservent |netdb |struct servent_data |I_S|V_S
685getgrent |grp |struct group |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH
686getgrgid T |grp |struct group |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=gid_t
687getgrnam C |grp |struct group |I_CSBWR|I_CSBIR|S_CBI|I_CSBI|S_CSBI
688gethostbyaddr CWI |netdb |struct hostent |I_CWISBWRE|S_CWISBWIE|S_CWISBIE|S_TWISBIE|S_CIISBIE|S_CSBIE|S_TSBIE|I_CWISD|I_CIISD|I_CII|D=struct hostent_data*|T=const void*
689gethostbyname C |netdb |struct hostent |I_CSBWRE|S_CSBIE|I_CSD|D=struct hostent_data*
690gethostent |netdb |struct hostent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct hostent_data*
691getlogin |unistd | |I_BW|I_BI|B_BW|B_BI
692getnetbyaddr LI |netdb |struct netent |I_UISBWRE|I_LISBI|S_TISBI|S_LISBI|I_TISD|I_LISD|I_IISD|D=struct netent_data*|T=in_addr_t|U=unsigned long
693getnetbyname C |netdb |struct netent |I_CSBWRE|I_CSBI|S_CSBI|I_CSD|D=struct netent_data*
694getnetent |netdb |struct netent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct netent_data*
695getprotobyname C|netdb |struct protoent|I_CSBWR|S_CSBI|I_CSD|D=struct protoent_data*
696getprotobynumber I |netdb |struct protoent|I_ISBWR|S_ISBI|I_ISD|D=struct protoent_data*
697getprotoent |netdb |struct protoent|I_SBWR|I_SBI|S_SBI|I_SD|D=struct protoent_data*
698getpwent |pwd |struct passwd |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH
699getpwnam C |pwd |struct passwd |I_CSBWR|I_CSBIR|S_CSBI|I_CSBI
700getpwuid T |pwd |struct passwd |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=uid_t
701getservbyname CC|netdb |struct servent |I_CCSBWR|S_CCSBI|I_CCSD|D=struct servent_data*
702getservbyport IC|netdb |struct servent |I_ICSBWR|S_ICSBI|I_ICSD|D=struct servent_data*
703getservent |netdb |struct servent |I_SBWR|I_SBI|S_SBI|I_SD|D=struct servent_data*
704getspnam C |shadow |struct spwd |I_CSBWR|S_CSBI
705gmtime T |time |struct tm |S_TS|I_TS|T=const time_t*
706localtime T |time |struct tm |S_TS|I_TS|T=const time_t*
707random |stdlib |struct random_data|I_TS|T=int*
708readdir T |dirent |struct dirent |I_TSR|I_TS|T=DIR*
709readdir64 T |dirent |struct dirent64|I_TSR|I_TS|T=DIR*
710setgrent |grp | |I_H|V_H
711sethostent I |netdb | |I_ID|V_ID|D=struct hostent_data*
712setlocale IC |locale | |I_ICBI
713setnetent I |netdb | |I_ID|V_ID|D=struct netent_data*
714setprotoent I |netdb | |I_ID|V_ID|D=struct protoent_data*
715setpwent |pwd | |I_H|V_H
716setservent I |netdb | |I_ID|V_ID|D=struct servent_data*
717srand48 L |stdlib |struct drand48_data |I_LS
718srandom T |stdlib |struct random_data|I_TS|T=unsigned int
719strerror I |string | |I_IBW|I_IBI|B_IBW
720tmpnam B |stdio | |B_B
721ttyname I |unistd | |I_IBW|I_IBI|B_IBI