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Annotation of src/include/stdio.h, Revision 1.70.8.2

1.70.8.2! kristerw    1: /*     $NetBSD: stdio.h,v 1.70 2007/08/02 21:49:09 kristerw Exp $      */
        !             2:
        !             3: /*-
        !             4:  * Copyright (c) 1990, 1993
        !             5:  *     The Regents of the University of California.  All rights reserved.
        !             6:  *
        !             7:  * This code is derived from software contributed to Berkeley by
        !             8:  * Chris Torek.
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or without
        !            11:  * modification, are permitted provided that the following conditions
        !            12:  * are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer.
        !            15:  * 2. Redistributions in binary form must reproduce the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer in the
        !            17:  *    documentation and/or other materials provided with the distribution.
        !            18:  * 3. Neither the name of the University nor the names of its contributors
        !            19:  *    may be used to endorse or promote products derived from this software
        !            20:  *    without specific prior written permission.
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            25:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            26:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            32:  * SUCH DAMAGE.
        !            33:  *
        !            34:  *     @(#)stdio.h     8.5 (Berkeley) 4/29/95
        !            35:  */
        !            36:
        !            37: #ifndef        _STDIO_H_
        !            38: #define        _STDIO_H_
        !            39:
        !            40: #include <sys/cdefs.h>
        !            41: #include <sys/featuretest.h>
        !            42: #include <sys/ansi.h>
        !            43:
        !            44: #include <machine/ansi.h>
        !            45: #ifdef _BSD_SIZE_T_
        !            46: typedef        _BSD_SIZE_T_    size_t;
        !            47: #undef _BSD_SIZE_T_
        !            48: #endif
        !            49:
        !            50: #include <sys/null.h>
        !            51:
        !            52: /*
        !            53:  * This is fairly grotesque, but pure ANSI code must not inspect the
        !            54:  * innards of an fpos_t anyway.  The library internally uses off_t,
        !            55:  * which we assume is exactly as big as eight chars.
        !            56:  */
        !            57: #if (!defined(_ANSI_SOURCE) && !defined(__STRICT_ANSI__)) || defined(_LIBC)
        !            58: typedef __off_t fpos_t;
        !            59: #else
        !            60: typedef struct __sfpos {
        !            61:        __off_t _pos;
        !            62: } fpos_t;
        !            63: #endif
        !            64:
        !            65: #define        _FSTDIO                 /* Define for new stdio with functions. */
        !            66:
        !            67: /*
        !            68:  * NB: to fit things in six character monocase externals, the stdio
        !            69:  * code uses the prefix `__s' for stdio objects, typically followed
        !            70:  * by a three-character attempt at a mnemonic.
        !            71:  */
        !            72:
        !            73: /* stdio buffers */
        !            74: struct __sbuf {
        !            75:        unsigned char *_base;
        !            76:        int     _size;
        !            77: };
        !            78:
        !            79: /*
        !            80:  * stdio state variables.
        !            81:  *
        !            82:  * The following always hold:
        !            83:  *
        !            84:  *     if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
        !            85:  *             _lbfsize is -_bf._size, else _lbfsize is 0
        !            86:  *     if _flags&__SRD, _w is 0
        !            87:  *     if _flags&__SWR, _r is 0
        !            88:  *
        !            89:  * This ensures that the getc and putc macros (or inline functions) never
        !            90:  * try to write or read from a file that is in `read' or `write' mode.
        !            91:  * (Moreover, they can, and do, automatically switch from read mode to
        !            92:  * write mode, and back, on "r+" and "w+" files.)
        !            93:  *
        !            94:  * _lbfsize is used only to make the inline line-buffered output stream
        !            95:  * code as compact as possible.
        !            96:  *
        !            97:  * _ub, _up, and _ur are used when ungetc() pushes back more characters
        !            98:  * than fit in the current _bf, or when ungetc() pushes back a character
        !            99:  * that does not match the previous one in _bf.  When this happens,
        !           100:  * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
        !           101:  * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
        !           102:  *
        !           103:  * NB: see WARNING above before changing the layout of this structure!
        !           104:  */
        !           105: typedef        struct __sFILE {
        !           106:        unsigned char *_p;      /* current position in (some) buffer */
        !           107:        int     _r;             /* read space left for getc() */
        !           108:        int     _w;             /* write space left for putc() */
        !           109:        unsigned short _flags;  /* flags, below; this FILE is free if 0 */
        !           110:        short   _file;          /* fileno, if Unix descriptor, else -1 */
        !           111:        struct  __sbuf _bf;     /* the buffer (at least 1 byte, if !NULL) */
        !           112:        int     _lbfsize;       /* 0 or -_bf._size, for inline putc */
        !           113:
        !           114:        /* operations */
        !           115:        void    *_cookie;       /* cookie passed to io functions */
        !           116:        int     (*_close)(void *);
        !           117:        int     (*_read) (void *, char *, int);
        !           118:        fpos_t  (*_seek) (void *, fpos_t, int);
        !           119:        int     (*_write)(void *, const char *, int);
        !           120:
        !           121:        /* file extension */
        !           122:        struct  __sbuf _ext;
        !           123:
        !           124:        /* separate buffer for long sequences of ungetc() */
        !           125:        unsigned char *_up;     /* saved _p when _p is doing ungetc data */
        !           126:        int     _ur;            /* saved _r when _r is counting ungetc data */
        !           127:
        !           128:        /* tricks to meet minimum requirements even when malloc() fails */
        !           129:        unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
        !           130:        unsigned char _nbuf[1]; /* guarantee a getc() buffer */
        !           131:
        !           132:        /* separate buffer for fgetln() when line crosses buffer boundary */
        !           133:        struct  __sbuf _lb;     /* buffer for fgetln() */
        !           134:
        !           135:        /* Unix stdio files get aligned to block boundaries on fseek() */
        !           136:        int     _blksize;       /* stat.st_blksize (may be != _bf._size) */
        !           137:        fpos_t  _offset;        /* current lseek offset */
        !           138: } FILE;
        !           139:
        !           140: __BEGIN_DECLS
        !           141: extern FILE __sF[];
        !           142: __END_DECLS
        !           143:
        !           144: #define        __SLBF  0x0001          /* line buffered */
        !           145: #define        __SNBF  0x0002          /* unbuffered */
        !           146: #define        __SRD   0x0004          /* OK to read */
        !           147: #define        __SWR   0x0008          /* OK to write */
        !           148:        /* RD and WR are never simultaneously asserted */
        !           149: #define        __SRW   0x0010          /* open for reading & writing */
        !           150: #define        __SEOF  0x0020          /* found EOF */
        !           151: #define        __SERR  0x0040          /* found error */
        !           152: #define        __SMBF  0x0080          /* _buf is from malloc */
        !           153: #define        __SAPP  0x0100          /* fdopen()ed in append mode */
        !           154: #define        __SSTR  0x0200          /* this is an sprintf/snprintf string */
        !           155: #define        __SOPT  0x0400          /* do fseek() optimization */
        !           156: #define        __SNPT  0x0800          /* do not do fseek() optimization */
        !           157: #define        __SOFF  0x1000          /* set iff _offset is in fact correct */
        !           158: #define        __SMOD  0x2000          /* true => fgetln modified _p text */
        !           159: #define        __SALC  0x4000          /* allocate string space dynamically */
        !           160:
        !           161: /*
        !           162:  * The following three definitions are for ANSI C, which took them
        !           163:  * from System V, which brilliantly took internal interface macros and
        !           164:  * made them official arguments to setvbuf(), without renaming them.
        !           165:  * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
        !           166:  *
        !           167:  * Although numbered as their counterparts above, the implementation
        !           168:  * does not rely on this.
        !           169:  */
        !           170: #define        _IOFBF  0               /* setvbuf should set fully buffered */
        !           171: #define        _IOLBF  1               /* setvbuf should set line buffered */
        !           172: #define        _IONBF  2               /* setvbuf should set unbuffered */
        !           173:
        !           174: #define        BUFSIZ  1024            /* size of buffer used by setbuf */
        !           175: #define        EOF     (-1)
        !           176:
        !           177: /*
        !           178:  * FOPEN_MAX is a minimum maximum, and is the number of streams that
        !           179:  * stdio can provide without attempting to allocate further resources
        !           180:  * (which could fail).  Do not use this for anything.
        !           181:  */
        !           182:                                /* must be == _POSIX_STREAM_MAX <limits.h> */
        !           183: #define        FOPEN_MAX       20      /* must be <= OPEN_MAX <sys/syslimits.h> */
        !           184: #define        FILENAME_MAX    1024    /* must be <= PATH_MAX <sys/syslimits.h> */
        !           185:
        !           186: /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
        !           187: #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
        !           188: #define        P_tmpdir        "/var/tmp/"
        !           189: #endif
        !           190: #define        L_tmpnam        1024    /* XXX must be == PATH_MAX */
        !           191: /* Always ensure that this is consistent with <limits.h> */
        !           192: #ifndef TMP_MAX
        !           193: #define TMP_MAX                        308915776       /* Legacy */
        !           194: #endif
        !           195:
        !           196: /* Always ensure that these are consistent with <fcntl.h> and <unistd.h>! */
        !           197: #ifndef SEEK_SET
        !           198: #define        SEEK_SET        0       /* set file offset to offset */
        !           199: #endif
        !           200: #ifndef SEEK_CUR
        !           201: #define        SEEK_CUR        1       /* set file offset to current plus offset */
        !           202: #endif
        !           203: #ifndef SEEK_END
        !           204: #define        SEEK_END        2       /* set file offset to EOF plus offset */
        !           205: #endif
        !           206:
        !           207: #define        stdin   (&__sF[0])
        !           208: #define        stdout  (&__sF[1])
        !           209: #define        stderr  (&__sF[2])
        !           210:
        !           211: /*
        !           212:  * Functions defined in ANSI C standard.
        !           213:  */
        !           214: __BEGIN_DECLS
        !           215: void    clearerr(FILE *);
        !           216: int     fclose(FILE *);
        !           217: int     feof(FILE *);
        !           218: int     ferror(FILE *);
        !           219: int     fflush(FILE *);
        !           220: int     fgetc(FILE *);
        !           221: int     fgetpos(FILE * __restrict, fpos_t * __restrict);
        !           222: char   *fgets(char * __restrict, int, FILE * __restrict);
        !           223: FILE   *fopen(const char * __restrict , const char * __restrict);
        !           224: int     fprintf(FILE * __restrict , const char * __restrict, ...);
        !           225: int     fputc(int, FILE *);
        !           226: int     fputs(const char * __restrict, FILE * __restrict);
        !           227: size_t  fread(void * __restrict, size_t, size_t, FILE * __restrict);
        !           228: FILE   *freopen(const char * __restrict, const char * __restrict,
        !           229:            FILE * __restrict);
        !           230: int     fscanf(FILE * __restrict, const char * __restrict, ...);
        !           231: int     fseek(FILE *, long, int);
        !           232: int     fsetpos(FILE *, const fpos_t *);
        !           233: long    ftell(FILE *);
        !           234: size_t  fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
        !           235: int     getc(FILE *);
        !           236: int     getchar(void);
        !           237: void    perror(const char *);
        !           238: int     printf(const char * __restrict, ...);
        !           239: int     putc(int, FILE *);
        !           240: int     putchar(int);
        !           241: int     puts(const char *);
        !           242: int     remove(const char *);
        !           243: void    rewind(FILE *);
        !           244: int     scanf(const char * __restrict, ...);
        !           245: void    setbuf(FILE * __restrict, char * __restrict);
        !           246: int     setvbuf(FILE * __restrict, char * __restrict, int, size_t);
        !           247: int     sscanf(const char * __restrict, const char * __restrict, ...);
        !           248: FILE   *tmpfile(void);
        !           249: int     ungetc(int, FILE *);
        !           250: int     vfprintf(FILE * __restrict, const char * __restrict, _BSD_VA_LIST_);
        !           251: int     vprintf(const char * __restrict, _BSD_VA_LIST_);
        !           252:
        !           253: #ifndef __AUDIT__
        !           254: char   *gets(char *);
        !           255: int     sprintf(char * __restrict, const char * __restrict, ...);
        !           256: char   *tmpnam(char *);
        !           257: int     vsprintf(char * __restrict, const char * __restrict,
        !           258:            _BSD_VA_LIST_);
        !           259: #endif
        !           260:
        !           261: #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
        !           262: int     rename (const char *, const char *) __RENAME(__posix_rename);
        !           263: #else
        !           264: int     rename (const char *, const char *);
        !           265: #endif
        !           266: __END_DECLS
        !           267:
        !           268: /*
        !           269:  * IEEE Std 1003.1-90
        !           270:  */
        !           271: #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
        !           272:     defined(_NETBSD_SOURCE)
        !           273: #define        L_ctermid       1024    /* size for ctermid(); PATH_MAX */
        !           274: #define L_cuserid      9       /* size for cuserid(); UT_NAMESIZE + 1 */
        !           275:
        !           276: __BEGIN_DECLS
        !           277: char   *ctermid(char *);
        !           278: #ifndef __CUSERID_DECLARED
        !           279: #define __CUSERID_DECLARED
        !           280: /* also declared in unistd.h */
        !           281: char   *cuserid(char *);
        !           282: #endif /* __CUSERID_DECLARED */
        !           283: FILE   *fdopen(int, const char *);
        !           284: int     fileno(FILE *);
        !           285: __END_DECLS
        !           286: #endif /* not ANSI */
        !           287:
        !           288: /*
        !           289:  * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
        !           290:  */
        !           291: #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
        !           292:     defined(_REENTRANT) || defined(_NETBSD_SOURCE)
        !           293: __BEGIN_DECLS
        !           294: void   flockfile(FILE *);
        !           295: int    ftrylockfile(FILE *);
        !           296: void   funlockfile(FILE *);
        !           297: int    getc_unlocked(FILE *);
        !           298: int    getchar_unlocked(void);
        !           299: int    putc_unlocked(int, FILE *);
        !           300: int    putchar_unlocked(int);
        !           301: __END_DECLS
        !           302: #endif /* _POSIX_C_SOURCE >= 1995056 || _XOPEN_SOURCE >= 500 || ... */
        !           303:
        !           304: /*
        !           305:  * Functions defined in POSIX 1003.2 and XPG2 or later.
        !           306:  */
        !           307: #if (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 2 || \
        !           308:     defined(_NETBSD_SOURCE)
        !           309: __BEGIN_DECLS
        !           310: int     pclose(FILE *);
        !           311: FILE   *popen(const char *, const char *);
        !           312: __END_DECLS
        !           313: #endif
        !           314:
        !           315: /*
        !           316:  * Functions defined in ISO XPG4.2, ISO C99, POSIX 1003.1-2001 or later.
        !           317:  */
        !           318: #if ((__STDC_VERSION__ - 0) >= 199901L) || \
        !           319:     ((_POSIX_C_SOURCE - 0) >= 200112L) || \
        !           320:     (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
        !           321:     ((_XOPEN_SOURCE - 0) >= 500) || \
        !           322:     defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
        !           323: __BEGIN_DECLS
        !           324: int     snprintf(char * __restrict, size_t, const char * __restrict, ...)
        !           325:            __attribute__((__format__(__printf__, 3, 4)));
        !           326: int     vsnprintf(char * __restrict, size_t, const char * __restrict,
        !           327:            _BSD_VA_LIST_)
        !           328:            __attribute__((__format__(__printf__, 3, 0)));
        !           329: __END_DECLS
        !           330: #endif
        !           331:
        !           332: /*
        !           333:  * Functions defined in XPG4.2.
        !           334:  */
        !           335: #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
        !           336: __BEGIN_DECLS
        !           337: int     getw(FILE *);
        !           338: int     putw(int, FILE *);
        !           339:
        !           340: #ifndef __AUDIT__
        !           341: char   *tempnam(const char *, const char *);
        !           342: #endif
        !           343: __END_DECLS
        !           344: #endif
        !           345:
        !           346: /*
        !           347:  * X/Open CAE Specification Issue 5 Version 2
        !           348:  */
        !           349: #if (_XOPEN_SOURCE - 0) >= 500 || defined(_LARGEFILE_SOURCE) || \
        !           350:     defined(_NETBSD_SOURCE)
        !           351: #ifndef        off_t
        !           352: typedef        __off_t         off_t;
        !           353: #define        off_t           __off_t
        !           354: #endif /* off_t */
        !           355:
        !           356: __BEGIN_DECLS
        !           357: int     fseeko(FILE *, off_t, int);
        !           358: off_t   ftello(FILE *);
        !           359: __END_DECLS
        !           360: #endif /* _XOPEN_SOURCE >= 500 || _LARGEFILE_SOURCE || _NETBSD_SOURCE */
        !           361:
        !           362: /*
        !           363:  * Routines that are purely local.
        !           364:  */
        !           365: #if defined(_NETBSD_SOURCE)
        !           366:
        !           367: #define        FPARSELN_UNESCESC       0x01
        !           368: #define        FPARSELN_UNESCCONT      0x02
        !           369: #define        FPARSELN_UNESCCOMM      0x04
        !           370: #define        FPARSELN_UNESCREST      0x08
        !           371: #define        FPARSELN_UNESCALL       0x0f
        !           372:
        !           373: __BEGIN_DECLS
        !           374: int     asprintf(char ** __restrict, const char * __restrict, ...)
        !           375:            __attribute__((__format__(__printf__, 2, 3)));
        !           376: char   *fgetln(FILE * __restrict, size_t * __restrict);
        !           377: char   *fparseln(FILE *, size_t *, size_t *, const char[3], int);
        !           378: int     fpurge(FILE *);
        !           379: void    setbuffer(FILE *, char *, int);
        !           380: int     setlinebuf(FILE *);
        !           381: int     vasprintf(char ** __restrict, const char * __restrict,
        !           382:            _BSD_VA_LIST_)
        !           383:            __attribute__((__format__(__printf__, 2, 0)));
        !           384: int     vscanf(const char * __restrict, _BSD_VA_LIST_)
        !           385:            __attribute__((__format__(__scanf__, 1, 0)));
        !           386: int     vfscanf(FILE * __restrict, const char * __restrict,
        !           387:            _BSD_VA_LIST_)
        !           388:            __attribute__((__format__(__scanf__, 2, 0)));
        !           389: int     vsscanf(const char * __restrict, const char * __restrict,
        !           390:            _BSD_VA_LIST_)
        !           391:            __attribute__((__format__(__scanf__, 2, 0)));
        !           392: const char *fmtcheck(const char *, const char *)
        !           393:            __attribute__((__format_arg__(2)));
        !           394: __END_DECLS
        !           395:
        !           396: /*
        !           397:  * Stdio function-access interface.
        !           398:  */
        !           399: __BEGIN_DECLS
        !           400: FILE   *funopen(const void *,
        !           401:                int (*)(void *, char *, int),
        !           402:                int (*)(void *, const char *, int),
        !           403:                fpos_t (*)(void *, fpos_t, int),
        !           404:                int (*)(void *));
        !           405: __END_DECLS
        !           406: #define        fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
        !           407: #define        fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
        !           408: #endif /* _NETBSD_SOURCE */
        !           409:
        !           410: /*
        !           411:  * Functions internal to the implementation.
        !           412:  */
        !           413: __BEGIN_DECLS
        !           414: int    __srget(FILE *);
        !           415: int    __swbuf(int, FILE *);
        !           416: __END_DECLS
        !           417:
        !           418: /*
        !           419:  * The __sfoo macros are here so that we can
        !           420:  * define function versions in the C library.
        !           421:  */
        !           422: #define        __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
        !           423: #if defined(__GNUC__) && defined(__STDC__)
        !           424: static __inline int __sputc(int _c, FILE *_p) {
        !           425:        if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
        !           426:                return (*_p->_p++ = _c);
        !           427:        else
        !           428:                return (__swbuf(_c, _p));
        !           429: }
        !           430: #else
        !           431: /*
        !           432:  * This has been tuned to generate reasonable code on the vax using pcc.
        !           433:  */
        !           434: #define        __sputc(c, p) \
        !           435:        (--(p)->_w < 0 ? \
        !           436:                (p)->_w >= (p)->_lbfsize ? \
        !           437:                        (*(p)->_p = (c)), *(p)->_p != '\n' ? \
        !           438:                                (int)*(p)->_p++ : \
        !           439:                                __swbuf('\n', p) : \
        !           440:                        __swbuf((int)(c), p) : \
        !           441:                (*(p)->_p = (c), (int)*(p)->_p++))
        !           442: #endif
        !           443:
        !           444: #define        __sfeof(p)      (((p)->_flags & __SEOF) != 0)
        !           445: #define        __sferror(p)    (((p)->_flags & __SERR) != 0)
        !           446: #define        __sclearerr(p)  ((void)((p)->_flags &= ~(__SERR|__SEOF)))
        !           447: #define        __sfileno(p)    ((p)->_file)
        !           448:
        !           449: #ifndef __lint__
        !           450: #if !defined(_REENTRANT) && !defined(_PTHREADS)
        !           451: #define        feof(p)         __sfeof(p)
        !           452: #define        ferror(p)       __sferror(p)
        !           453: #define        clearerr(p)     __sclearerr(p)
        !           454:
        !           455: #define        getc(fp)        __sgetc(fp)
        !           456: #define putc(x, fp)    __sputc(x, fp)
        !           457: #endif /* !_REENTRANT && !_PTHREADS */
        !           458: #endif /* __lint__ */
        !           459:
        !           460: #define        getchar()       getc(stdin)
        !           461: #define        putchar(x)      putc(x, stdout)
        !           462:
        !           463: #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
        !           464:     defined(_NETBSD_SOURCE)
        !           465: #if !defined(_REENTRANT) && !defined(_PTHREADS)
        !           466: #define        fileno(p)       __sfileno(p)
        !           467: #endif /* !_REENTRANT && !_PTHREADS */
        !           468: #endif /* !_ANSI_SOURCE */
        !           469:
        !           470: #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
        !           471:     defined(_REENTRANT) || defined(_NETBSD_SOURCE)
        !           472: #define getc_unlocked(fp)      __sgetc(fp)
        !           473: #define putc_unlocked(x, fp)   __sputc(x, fp)
        !           474:
        !           475: #define getchar_unlocked()     getc_unlocked(stdin)
        !           476: #define putchar_unlocked(x)    putc_unlocked(x, stdout)
        !           477: #endif /* _POSIX_C_SOURCE >= 199506 || _XOPEN_SOURCE >= 500 || _REENTRANT... */
        !           478:
        !           479: #if _FORTIFY_SOURCE > 0
        !           480: #include <ssp/stdio.h>
        !           481: #endif
        !           482:
        !           483: #endif /* _STDIO_H_ */

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