stdio.h revision 178829
11539Srgrimes/*- 21539Srgrimes * Copyright (c) 1990, 1993 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * 51539Srgrimes * This code is derived from software contributed to Berkeley by 61539Srgrimes * Chris Torek. 71539Srgrimes * 81539Srgrimes * Redistribution and use in source and binary forms, with or without 91539Srgrimes * modification, are permitted provided that the following conditions 101539Srgrimes * are met: 111539Srgrimes * 1. Redistributions of source code must retain the above copyright 121539Srgrimes * notice, this list of conditions and the following disclaimer. 131539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141539Srgrimes * notice, this list of conditions and the following disclaimer in the 151539Srgrimes * documentation and/or other materials provided with the distribution. 161539Srgrimes * 3. All advertising materials mentioning features or use of this software 171539Srgrimes * must display the following acknowledgement: 181539Srgrimes * This product includes software developed by the University of 191539Srgrimes * California, Berkeley and its contributors. 201539Srgrimes * 4. Neither the name of the University nor the names of its contributors 211539Srgrimes * may be used to endorse or promote products derived from this software 221539Srgrimes * without specific prior written permission. 231539Srgrimes * 241539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341539Srgrimes * SUCH DAMAGE. 351539Srgrimes * 3623655Speter * @(#)stdio.h 8.5 (Berkeley) 4/29/95 3750473Speter * $FreeBSD: head/include/stdio.h 178829 2008-05-07 15:12:45Z jhb $ 381539Srgrimes */ 391539Srgrimes 401539Srgrimes#ifndef _STDIO_H_ 411539Srgrimes#define _STDIO_H_ 421539Srgrimes 431539Srgrimes#include <sys/cdefs.h> 44123257Smarcel#include <sys/_null.h> 45102227Smike#include <sys/_types.h> 461539Srgrimes 47104585Smiketypedef __off_t fpos_t; 48104585Smike 49102227Smike#ifndef _SIZE_T_DECLARED 50102227Smiketypedef __size_t size_t; 51102227Smike#define _SIZE_T_DECLARED 521539Srgrimes#endif 531539Srgrimes 54104585Smike#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 55104585Smike#ifndef _VA_LIST_DECLARED 56104585Smiketypedef __va_list va_list; 57104585Smike#define _VA_LIST_DECLARED 58104585Smike#endif 59104585Smike#endif 60104585Smike 611539Srgrimes#define _FSTDIO /* Define for new stdio with functions. */ 621539Srgrimes 63178778Sjhb/* 64178778Sjhb * NB: to fit things in six character monocase externals, the stdio 65178778Sjhb * code uses the prefix `__s' for stdio objects, typically followed 66178778Sjhb * by a three-character attempt at a mnemonic. 67178778Sjhb */ 681539Srgrimes 69178778Sjhb/* stdio buffers */ 70178778Sjhbstruct __sbuf { 71178778Sjhb unsigned char *_base; 72178778Sjhb int _size; 73178778Sjhb}; 74178778Sjhb 75178778Sjhb/* 76178778Sjhb * stdio state variables. 77178778Sjhb * 78178778Sjhb * The following always hold: 79178778Sjhb * 80178778Sjhb * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), 81178778Sjhb * _lbfsize is -_bf._size, else _lbfsize is 0 82178778Sjhb * if _flags&__SRD, _w is 0 83178778Sjhb * if _flags&__SWR, _r is 0 84178778Sjhb * 85178778Sjhb * This ensures that the getc and putc macros (or inline functions) never 86178778Sjhb * try to write or read from a file that is in `read' or `write' mode. 87178778Sjhb * (Moreover, they can, and do, automatically switch from read mode to 88178778Sjhb * write mode, and back, on "r+" and "w+" files.) 89178778Sjhb * 90178778Sjhb * _lbfsize is used only to make the inline line-buffered output stream 91178778Sjhb * code as compact as possible. 92178778Sjhb * 93178778Sjhb * _ub, _up, and _ur are used when ungetc() pushes back more characters 94178778Sjhb * than fit in the current _bf, or when ungetc() pushes back a character 95178778Sjhb * that does not match the previous one in _bf. When this happens, 96178778Sjhb * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff 97178778Sjhb * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. 98178778Sjhb * 99178778Sjhb * Certain members of __sFILE are accessed directly via macros or 100178778Sjhb * inline functions. To preserve ABI compat, these members must not 101178778Sjhb * be disturbed. These members are marked below with (*). 102178778Sjhb */ 103178778Sjhbtypedef struct __sFILE { 104178778Sjhb unsigned char *_p; /* (*) current position in (some) buffer */ 105178778Sjhb int _r; /* (*) read space left for getc() */ 106178778Sjhb int _w; /* (*) write space left for putc() */ 107178778Sjhb short _flags; /* (*) flags, below; this FILE is free if 0 */ 108178778Sjhb short _file; /* (*) fileno, if Unix descriptor, else -1 */ 109178829Sjhb struct __sbuf _bf; /* (*) the buffer (at least 1 byte, if !NULL) */ 110178778Sjhb int _lbfsize; /* (*) 0 or -_bf._size, for inline putc */ 111178778Sjhb 112178778Sjhb /* operations */ 113178779Sjhb void *_cookie; /* (*) cookie passed to io functions */ 114178778Sjhb int (*_close)(void *); 115178778Sjhb int (*_read)(void *, char *, int); 116178778Sjhb fpos_t (*_seek)(void *, fpos_t, int); 117178778Sjhb int (*_write)(void *, const char *, int); 118178778Sjhb 119178778Sjhb /* separate buffer for long sequences of ungetc() */ 120178778Sjhb struct __sbuf _ub; /* ungetc buffer */ 121178778Sjhb unsigned char *_up; /* saved _p when _p is doing ungetc data */ 122178778Sjhb int _ur; /* saved _r when _r is counting ungetc data */ 123178778Sjhb 124178778Sjhb /* tricks to meet minimum requirements even when malloc() fails */ 125178778Sjhb unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ 126178778Sjhb unsigned char _nbuf[1]; /* guarantee a getc() buffer */ 127178778Sjhb 128178778Sjhb /* separate buffer for fgetln() when line crosses buffer boundary */ 129178778Sjhb struct __sbuf _lb; /* buffer for fgetln() */ 130178778Sjhb 131178778Sjhb /* Unix stdio files get aligned to block boundaries on fseek() */ 132178778Sjhb int _blksize; /* stat.st_blksize (may be != _bf._size) */ 133178778Sjhb fpos_t _offset; /* current lseek offset */ 134178778Sjhb 135178778Sjhb struct pthread_mutex *_fl_mutex; /* used for MT-safety */ 136178778Sjhb struct pthread *_fl_owner; /* current owner */ 137178778Sjhb int _fl_count; /* recursive lock count */ 138178778Sjhb int _orientation; /* orientation for fwide() */ 139178778Sjhb __mbstate_t _mbstate; /* multibyte conversion state */ 140178778Sjhb} FILE; 141178778Sjhb 142129774Stjr#ifndef _STDSTREAM_DECLARED 1431539Srgrimes__BEGIN_DECLS 14481600Speterextern FILE *__stdinp; 14581600Speterextern FILE *__stdoutp; 14681600Speterextern FILE *__stderrp; 1471539Srgrimes__END_DECLS 148129774Stjr#define _STDSTREAM_DECLARED 149129774Stjr#endif 1501539Srgrimes 151178778Sjhb#define __SLBF 0x0001 /* line buffered */ 152178778Sjhb#define __SNBF 0x0002 /* unbuffered */ 153178778Sjhb#define __SRD 0x0004 /* OK to read */ 154178778Sjhb#define __SWR 0x0008 /* OK to write */ 155178778Sjhb /* RD and WR are never simultaneously asserted */ 156178778Sjhb#define __SRW 0x0010 /* open for reading & writing */ 157178778Sjhb#define __SEOF 0x0020 /* found EOF */ 158178778Sjhb#define __SERR 0x0040 /* found error */ 159178778Sjhb#define __SMBF 0x0080 /* _buf is from malloc */ 160178778Sjhb#define __SAPP 0x0100 /* fdopen()ed in append mode */ 161178778Sjhb#define __SSTR 0x0200 /* this is an sprintf/snprintf string */ 162178778Sjhb#define __SOPT 0x0400 /* do fseek() optimization */ 163178778Sjhb#define __SNPT 0x0800 /* do not do fseek() optimization */ 164178778Sjhb#define __SOFF 0x1000 /* set iff _offset is in fact correct */ 165178778Sjhb#define __SMOD 0x2000 /* true => fgetln modified _p text */ 166178778Sjhb#define __SALC 0x4000 /* allocate string space dynamically */ 167178778Sjhb#define __SIGN 0x8000 /* ignore this file in _fwalk */ 168178778Sjhb 1691539Srgrimes/* 1701539Srgrimes * The following three definitions are for ANSI C, which took them 1711539Srgrimes * from System V, which brilliantly took internal interface macros and 1721539Srgrimes * made them official arguments to setvbuf(), without renaming them. 1731539Srgrimes * Hence, these ugly _IOxxx names are *supposed* to appear in user code. 174178778Sjhb * 175178778Sjhb * Although numbered as their counterparts above, the implementation 176178778Sjhb * does not rely on this. 1771539Srgrimes */ 1781539Srgrimes#define _IOFBF 0 /* setvbuf should set fully buffered */ 1791539Srgrimes#define _IOLBF 1 /* setvbuf should set line buffered */ 1801539Srgrimes#define _IONBF 2 /* setvbuf should set unbuffered */ 1811539Srgrimes 1821539Srgrimes#define BUFSIZ 1024 /* size of buffer used by setbuf */ 1831539Srgrimes#define EOF (-1) 1841539Srgrimes 1851539Srgrimes/* 1861539Srgrimes * FOPEN_MAX is a minimum maximum, and is the number of streams that 1871539Srgrimes * stdio can provide without attempting to allocate further resources 1881539Srgrimes * (which could fail). Do not use this for anything. 1891539Srgrimes */ 1901539Srgrimes /* must be == _POSIX_STREAM_MAX <limits.h> */ 191177653Sjb#ifndef FOPEN_MAX 1921539Srgrimes#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ 193177653Sjb#endif 1941539Srgrimes#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ 1951539Srgrimes 1961539Srgrimes/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ 197100133Swollman#if __XSI_VISIBLE 1981539Srgrimes#define P_tmpdir "/var/tmp/" 1991539Srgrimes#endif 2001539Srgrimes#define L_tmpnam 1024 /* XXX must be == PATH_MAX */ 2011539Srgrimes#define TMP_MAX 308915776 2021539Srgrimes 2031539Srgrimes#ifndef SEEK_SET 2041539Srgrimes#define SEEK_SET 0 /* set file offset to offset */ 2051539Srgrimes#endif 2061539Srgrimes#ifndef SEEK_CUR 2071539Srgrimes#define SEEK_CUR 1 /* set file offset to current plus offset */ 2081539Srgrimes#endif 2091539Srgrimes#ifndef SEEK_END 2101539Srgrimes#define SEEK_END 2 /* set file offset to EOF plus offset */ 2111539Srgrimes#endif 2121539Srgrimes 21381600Speter#define stdin __stdinp 21481600Speter#define stdout __stdoutp 21581600Speter#define stderr __stderrp 2161539Srgrimes 217100133Swollman__BEGIN_DECLS 2181539Srgrimes/* 2191539Srgrimes * Functions defined in ANSI C standard. 2201539Srgrimes */ 22193032Simpvoid clearerr(FILE *); 22293032Simpint fclose(FILE *); 22393032Simpint feof(FILE *); 22493032Simpint ferror(FILE *); 22593032Simpint fflush(FILE *); 22693032Simpint fgetc(FILE *); 227104989Smikeint fgetpos(FILE * __restrict, fpos_t * __restrict); 228104989Smikechar *fgets(char * __restrict, int, FILE * __restrict); 229104989SmikeFILE *fopen(const char * __restrict, const char * __restrict); 230103012Stjrint fprintf(FILE * __restrict, const char * __restrict, ...); 23193032Simpint fputc(int, FILE *); 232104989Smikeint fputs(const char * __restrict, FILE * __restrict); 233104989Smikesize_t fread(void * __restrict, size_t, size_t, FILE * __restrict); 234104989SmikeFILE *freopen(const char * __restrict, const char * __restrict, FILE * __restrict); 235104989Smikeint fscanf(FILE * __restrict, const char * __restrict, ...); 23693032Simpint fseek(FILE *, long, int); 23793032Simpint fsetpos(FILE *, const fpos_t *); 23893032Simplong ftell(FILE *); 239104989Smikesize_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict); 24093032Simpint getc(FILE *); 24193032Simpint getchar(void); 24293032Simpchar *gets(char *); 24393032Simpvoid perror(const char *); 244103012Stjrint printf(const char * __restrict, ...); 24593032Simpint putc(int, FILE *); 24693032Simpint putchar(int); 24793032Simpint puts(const char *); 24893032Simpint remove(const char *); 24993032Simpint rename(const char *, const char *); 25093032Simpvoid rewind(FILE *); 251104989Smikeint scanf(const char * __restrict, ...); 252103012Stjrvoid setbuf(FILE * __restrict, char * __restrict); 253103012Stjrint setvbuf(FILE * __restrict, char * __restrict, int, size_t); 254103012Stjrint sprintf(char * __restrict, const char * __restrict, ...); 255104989Smikeint sscanf(const char * __restrict, const char * __restrict, ...); 25693032SimpFILE *tmpfile(void); 25793032Simpchar *tmpnam(char *); 25893032Simpint ungetc(int, FILE *); 259103012Stjrint vfprintf(FILE * __restrict, const char * __restrict, 260102227Smike __va_list); 261103012Stjrint vprintf(const char * __restrict, __va_list); 262103012Stjrint vsprintf(char * __restrict, const char * __restrict, 263102227Smike __va_list); 2641539Srgrimes 265100133Swollman#if __ISO_C_VISIBLE >= 1999 266103012Stjrint snprintf(char * __restrict, size_t, const char * __restrict, 267101914Srobert ...) __printflike(3, 4); 268105098Stjrint vfscanf(FILE * __restrict, const char * __restrict, __va_list) 269105098Stjr __scanflike(2, 0); 270104989Smikeint vscanf(const char * __restrict, __va_list) __scanflike(1, 0); 271103012Stjrint vsnprintf(char * __restrict, size_t, const char * __restrict, 272102227Smike __va_list) __printflike(3, 0); 273104989Smikeint vsscanf(const char * __restrict, const char * __restrict, __va_list) 274104585Smike __scanflike(2, 0); 275100133Swollman#endif 276100133Swollman 2771539Srgrimes/* 278100133Swollman * Functions defined in all versions of POSIX 1003.1. 2791539Srgrimes */ 280104585Smike#if __BSD_VISIBLE || __POSIX_VISIBLE <= 199506 28119211Swosch/* size for cuserid(3); UT_NAMESIZE + 1, see <utmp.h> */ 282104585Smike#define L_cuserid 17 /* legacy */ 283104585Smike#endif 2841539Srgrimes 285104585Smike#if __POSIX_VISIBLE 28619211Swosch#define L_ctermid 1024 /* size for ctermid(3); PATH_MAX */ 28719211Swosch 28893032Simpchar *ctermid(char *); 28993032SimpFILE *fdopen(int, const char *); 29093032Simpint fileno(FILE *); 291100133Swollman#endif /* __POSIX_VISIBLE */ 292100133Swollman 293100133Swollman#if __POSIX_VISIBLE >= 199209 294100133Swollmanint pclose(FILE *); 295100133SwollmanFILE *popen(const char *, const char *); 296100133Swollman#endif 297100133Swollman 298100133Swollman#if __POSIX_VISIBLE >= 199506 29993032Simpint ftrylockfile(FILE *); 30093032Simpvoid flockfile(FILE *); 30193032Simpvoid funlockfile(FILE *); 3021539Srgrimes 3031539Srgrimes/* 304178778Sjhb * These are normally used through macros as defined below, but POSIX 305178778Sjhb * requires functions as well. 30624897Sbde */ 307100133Swollmanint getc_unlocked(FILE *); 308100133Swollmanint getchar_unlocked(void); 309100133Swollmanint putc_unlocked(int, FILE *); 310100133Swollmanint putchar_unlocked(int); 31124897Sbde#endif 312109168Stjr#if __BSD_VISIBLE 313178722Sjhbvoid clearerr_unlocked(FILE *); 314178722Sjhbint feof_unlocked(FILE *); 315178722Sjhbint ferror_unlocked(FILE *); 316178722Sjhbint fileno_unlocked(FILE *); 317109168Stjr#endif 318100133Swollman 319100133Swollman#if __POSIX_VISIBLE >= 200112 320102227Smikeint fseeko(FILE *, __off_t, int); 321102227Smike__off_t ftello(FILE *); 32224897Sbde#endif 323100133Swollman 324100133Swollman#if __BSD_VISIBLE || __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600 325100133Swollmanint getw(FILE *); 326100133Swollmanint putw(int, FILE *); 327100133Swollman#endif /* BSD or X/Open before issue 6 */ 328100133Swollman 329100133Swollman#if __XSI_VISIBLE 330100133Swollmanchar *tempnam(const char *, const char *); 33124897Sbde#endif 33224897Sbde 33324897Sbde/* 3341539Srgrimes * Routines that are purely local. 3351539Srgrimes */ 336100133Swollman#if __BSD_VISIBLE 33793032Simpint asprintf(char **, const char *, ...) __printflike(2, 3); 33893032Simpchar *ctermid_r(char *); 339178722Sjhbvoid fcloseall(void); 34093032Simpchar *fgetln(FILE *, size_t *); 341154867Sstefanf__const char *fmtcheck(const char *, const char *) __format_arg(2); 34293032Simpint fpurge(FILE *); 343178722Sjhbint renameat(int, const char *, int, const char *); 34493032Simpvoid setbuffer(FILE *, char *, int); 34593032Simpint setlinebuf(FILE *); 346102227Smikeint vasprintf(char **, const char *, __va_list) 34737614Sbde __printflike(2, 0); 3481539Srgrimes 3491539Srgrimes/* 350100133Swollman * The system error table contains messages for the first sys_nerr 351100133Swollman * positive errno values. Use strerror() or strerror_r() from <string.h> 352100133Swollman * instead. 353100133Swollman */ 354100133Swollmanextern __const int sys_nerr; 355100133Swollmanextern __const char *__const sys_errlist[]; 356100133Swollman 357100133Swollman/* 3581539Srgrimes * Stdio function-access interface. 3591539Srgrimes */ 36093032SimpFILE *funopen(const void *, 36175818Sobrien int (*)(void *, char *, int), 36275818Sobrien int (*)(void *, const char *, int), 36375818Sobrien fpos_t (*)(void *, fpos_t, int), 36493032Simp int (*)(void *)); 3651539Srgrimes#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) 3661539Srgrimes#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) 3671539Srgrimes 3681539Srgrimes/* 369100133Swollman * Portability hacks. See <sys/types.h>. 370100133Swollman */ 371100133Swollman#ifndef _FTRUNCATE_DECLARED 372100133Swollman#define _FTRUNCATE_DECLARED 373102227Smikeint ftruncate(int, __off_t); 374100133Swollman#endif 375100133Swollman#ifndef _LSEEK_DECLARED 376100133Swollman#define _LSEEK_DECLARED 377102227Smike__off_t lseek(int, __off_t, int); 378100133Swollman#endif 379100133Swollman#ifndef _MMAP_DECLARED 380100133Swollman#define _MMAP_DECLARED 381102227Smikevoid *mmap(void *, size_t, int, int, int, __off_t); 382100133Swollman#endif 383100133Swollman#ifndef _TRUNCATE_DECLARED 384100133Swollman#define _TRUNCATE_DECLARED 385102227Smikeint truncate(const char *, __off_t); 386100133Swollman#endif 387100133Swollman#endif /* __BSD_VISIBLE */ 388100133Swollman 389178778Sjhb/* 390178778Sjhb * Functions internal to the implementation. 391178778Sjhb */ 392178778Sjhbint __srget(FILE *); 393178778Sjhbint __swbuf(int, FILE *); 394178778Sjhb 395178778Sjhb/* 396178778Sjhb * The __sfoo macros are here so that we can 397178778Sjhb * define function versions in the C library. 398178778Sjhb */ 399178778Sjhb#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++)) 400178778Sjhb#if defined(__GNUC__) && defined(__STDC__) 401178778Sjhbstatic __inline int __sputc(int _c, FILE *_p) { 402178778Sjhb if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) 403178778Sjhb return (*_p->_p++ = _c); 404178778Sjhb else 405178778Sjhb return (__swbuf(_c, _p)); 406178778Sjhb} 407178778Sjhb#else 408178778Sjhb/* 409178778Sjhb * This has been tuned to generate reasonable code on the vax using pcc. 410178778Sjhb */ 411178778Sjhb#define __sputc(c, p) \ 412178778Sjhb (--(p)->_w < 0 ? \ 413178778Sjhb (p)->_w >= (p)->_lbfsize ? \ 414178778Sjhb (*(p)->_p = (c)), *(p)->_p != '\n' ? \ 415178778Sjhb (int)*(p)->_p++ : \ 416178778Sjhb __swbuf('\n', p) : \ 417178778Sjhb __swbuf((int)(c), p) : \ 418178778Sjhb (*(p)->_p = (c), (int)*(p)->_p++)) 419178778Sjhb#endif 420178778Sjhb 421178778Sjhb#define __sfeof(p) (((p)->_flags & __SEOF) != 0) 422178778Sjhb#define __sferror(p) (((p)->_flags & __SERR) != 0) 423178778Sjhb#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF))) 424178778Sjhb#define __sfileno(p) ((p)->_file) 425178778Sjhb 426178778Sjhbextern int __isthreaded; 427178778Sjhb 428178778Sjhb#define feof(p) (!__isthreaded ? __sfeof(p) : (feof)(p)) 429178778Sjhb#define ferror(p) (!__isthreaded ? __sferror(p) : (ferror)(p)) 430178778Sjhb#define clearerr(p) (!__isthreaded ? __sclearerr(p) : (clearerr)(p)) 431178778Sjhb 432178778Sjhb#if __POSIX_VISIBLE 433178778Sjhb#define fileno(p) (!__isthreaded ? __sfileno(p) : (fileno)(p)) 434178778Sjhb#endif 435178778Sjhb 436178778Sjhb#define getc(fp) (!__isthreaded ? __sgetc(fp) : (getc)(fp)) 437178778Sjhb#define putc(x, fp) (!__isthreaded ? __sputc(x, fp) : (putc)(x, fp)) 438178778Sjhb 439178778Sjhb#define getchar() getc(stdin) 440178778Sjhb#define putchar(x) putc(x, stdout) 441178778Sjhb 442178778Sjhb#if __BSD_VISIBLE 443178778Sjhb/* 444178778Sjhb * See ISO/IEC 9945-1 ANSI/IEEE Std 1003.1 Second Edition 1996-07-12 445178778Sjhb * B.8.2.7 for the rationale behind the *_unlocked() macros. 446178778Sjhb */ 447178778Sjhb#define feof_unlocked(p) __sfeof(p) 448178778Sjhb#define ferror_unlocked(p) __sferror(p) 449178778Sjhb#define clearerr_unlocked(p) __sclearerr(p) 450178778Sjhb#define fileno_unlocked(p) __sfileno(p) 451178778Sjhb#endif 452178778Sjhb#if __POSIX_VISIBLE >= 199506 453178778Sjhb#define getc_unlocked(fp) __sgetc(fp) 454178778Sjhb#define putc_unlocked(x, fp) __sputc(x, fp) 455178778Sjhb 456178778Sjhb#define getchar_unlocked() getc_unlocked(stdin) 457178778Sjhb#define putchar_unlocked(x) putc_unlocked(x, stdout) 458178778Sjhb#endif 459178778Sjhb 460100133Swollman__END_DECLS 46124897Sbde#endif /* !_STDIO_H_ */ 462