/* $OpenBSD: stdio.h,v 1.57 2025/07/16 15:33:05 yasuoka Exp $ */ /* $NetBSD: stdio.h,v 1.18 1996/04/25 18:29:21 jtc Exp $ */ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Chris Torek. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)stdio.h 5.17 (Berkeley) 6/3/91 */ #ifndef _STDIO_H_ #define _STDIO_H_ #include #include #include #if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE #include /* XXX should be removed */ #endif #ifndef _SIZE_T_DEFINED_ #define _SIZE_T_DEFINED_ typedef __size_t size_t; #endif #ifndef _OFF_T_DEFINED_ #define _OFF_T_DEFINED_ typedef __off_t off_t; #endif #define _FSTDIO /* Define for new stdio with functions. */ typedef off_t fpos_t; /* stdio file position type */ #ifndef _STDFILES_DECLARED #define _STDFILES_DECLARED typedef struct __sFILE FILE; struct __sFstub { long _stub; }; __BEGIN_DECLS extern struct __sFstub __stdin[]; extern struct __sFstub __stdout[]; extern struct __sFstub __stderr[]; __END_DECLS #endif #define stdin ((struct __sFILE *)__stdin) #define stdout ((struct __sFILE *)__stdout) #define stderr ((struct __sFILE *)__stderr) /* * The following three definitions are for ANSI C, which took them * from System V, which brilliantly took internal interface macros and * made them official arguments to setvbuf(), without renaming them. * Hence, these ugly _IOxxx names are *supposed* to appear in user code. * * Although numbered as their counterparts above, the implementation * does not rely on this. */ #define _IOFBF 0 /* setvbuf should set fully buffered */ #define _IOLBF 1 /* setvbuf should set line buffered */ #define _IONBF 2 /* setvbuf should set unbuffered */ #define BUFSIZ 1024 /* size of buffer used by setbuf */ #define EOF (-1) /* * FOPEN_MAX is a minimum maximum, and should be the number of descriptors * that the kernel can provide without allocation of a resource that can * fail without the process sleeping. Do not use this for anything. */ #define FOPEN_MAX 20 /* must be <= OPEN_MAX */ #define FILENAME_MAX 1024 /* must be <= PATH_MAX */ /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ #if __BSD_VISIBLE || __XPG_VISIBLE #define P_tmpdir "/tmp/" #endif #define L_tmpnam 1024 /* XXX must be == PATH_MAX */ #define TMP_MAX 0x7fffffff /* more, but don't overflow int */ #ifndef SEEK_SET #define SEEK_SET 0 /* set file offset to offset */ #endif #ifndef SEEK_CUR #define SEEK_CUR 1 /* set file offset to current plus offset */ #endif #ifndef SEEK_END #define SEEK_END 2 /* set file offset to EOF plus offset */ #endif /* * Functions defined in ANSI C standard. */ __BEGIN_DECLS void clearerr(FILE *); #if __POSIX_VISIBLE >= 200809 int dprintf(int, const char * __restrict, ...) __attribute__((__format__ (printf, 2, 3))) __attribute__((__nonnull__ (2))); #endif int fclose(FILE *); int feof(FILE *); int ferror(FILE *); int fflush(FILE *); int fgetc(FILE *); int fgetpos(FILE *, fpos_t *); char *fgets(char *, int, FILE *) __attribute__((__bounded__ (__string__,1,2))); FILE *fopen(const char *, const char *); int fprintf(FILE *, const char * __restrict, ...); int fputc(int, FILE *); int fputs(const char *, FILE *); size_t fread(void *, size_t, size_t, FILE *) __attribute__((__bounded__ (__size__,1,3,2))); FILE *freopen(const char *, const char *, FILE *); int fscanf(FILE *, const char *, ...); int fseek(FILE *, long, int); int fseeko(FILE *, off_t, int); int fsetpos(FILE *, const fpos_t *); long ftell(FILE *); off_t ftello(FILE *); size_t fwrite(const void *, size_t, size_t, FILE *) __attribute__((__bounded__ (__size__,1,3,2))); int getc(FILE *); int getchar(void); #if __POSIX_VISIBLE >= 200809 ssize_t getdelim(char ** __restrict, size_t * __restrict, int, FILE * __restrict); ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict); #endif #if __BSD_VISIBLE && !defined(__SYS_ERRLIST) #define __SYS_ERRLIST extern int sys_nerr; /* perror(3) external variables */ extern char *sys_errlist[]; #endif void perror(const char *); int printf(const char * __restrict, ...); int putc(int, FILE *); int putchar(int); int puts(const char *); int remove(const char *); int rename(const char *, const char *); #if __POSIX_VISIBLE >= 200809 int renameat(int, const char *, int, const char *); #endif void rewind(FILE *); int scanf(const char *, ...); void setbuf(FILE *, char *); int setvbuf(FILE *, char *, int, size_t); int sprintf(char * __restrict, const char * __restrict, ...); int sscanf(const char *, const char *, ...); FILE *tmpfile(void); char *tmpnam(char *); int ungetc(int, FILE *); int vfprintf(FILE *, const char * __restrict, __va_list); int vprintf(const char * __restrict, __va_list); int vsprintf(char * __restrict, const char * __restrict, __va_list); #if __POSIX_VISIBLE >= 200809 int vdprintf(int, const char * __restrict, __va_list) __attribute__((__format__ (printf, 2, 0))) __attribute__((__nonnull__ (2))); #endif #if __ISO_C_VISIBLE >= 1999 || __XPG_VISIBLE >= 500 || __BSD_VISIBLE int snprintf(char * __restrict, size_t, const char * __restrict, ...) __attribute__((__format__ (printf, 3, 4))) __attribute__((__nonnull__ (3))) __attribute__((__bounded__ (__string__,1,2))); int vsnprintf(char * __restrict, size_t, const char * __restrict, __va_list) __attribute__((__format__ (printf, 3, 0))) __attribute__((__nonnull__ (3))) __attribute__((__bounded__(__string__,1,2))); #endif /* __ISO_C_VISIBLE >= 1999 || __XPG_VISIBLE >= 500 || __BSD_VISIBLE */ #if __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE int vfscanf(FILE *, const char *, __va_list) __attribute__((__format__ (scanf, 2, 0))) __attribute__((__nonnull__ (2))); int vscanf(const char *, __va_list) __attribute__((__format__ (scanf, 1, 0))) __attribute__((__nonnull__ (1))); int vsscanf(const char *, const char *, __va_list) __attribute__((__format__ (scanf, 2, 0))) __attribute__((__nonnull__ (2))); #endif /* __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE */ __END_DECLS /* * Functions defined in POSIX 1003.1. */ #if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE #define L_ctermid 1024 /* size for ctermid(); PATH_MAX */ __BEGIN_DECLS char *ctermid(char *); FILE *fdopen(int, const char *); int fileno(FILE *); #if __POSIX_VISIBLE >= 199209 int pclose(FILE *); FILE *popen(const char *, const char *); #endif #if __POSIX_VISIBLE >= 199506 void flockfile(FILE *); int ftrylockfile(FILE *); void funlockfile(FILE *); /* * These are normally used through macros as defined below, but POSIX * requires functions as well. */ int getc_unlocked(FILE *); int getchar_unlocked(void); int putc_unlocked(int, FILE *); int putchar_unlocked(int); #endif /* __POSIX_VISIBLE >= 199506 */ #if __POSIX_VISIBLE >= 200809 FILE *fmemopen(void *, size_t, const char *); FILE *open_memstream(char **, size_t *); #endif /* __POSIX_VISIBLE >= 200809 */ #if __XPG_VISIBLE char *tempnam(const char *, const char *); #endif #if __POSIX_VISIBLE >= 202405 || __BSD_VISIBLE int asprintf(char ** __restrict, const char * __restrict, ...) __attribute__((__format__ (printf, 2, 3))) __attribute__((__nonnull__ (2))); int vasprintf(char ** __restrict, const char * __restrict, __va_list) __attribute__((__format__ (printf, 2, 0))) __attribute__((__nonnull__ (2))); #endif /* __POSIX_VISIBLE >= 202405 || __BSD_VISIBLE */ __END_DECLS #endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */ /* * Routines that are purely local. */ #if __BSD_VISIBLE __BEGIN_DECLS int fdclose(FILE *, int *_fdp); char *fgetln(FILE *, size_t *); int fpurge(FILE *); int getw(FILE *); int putw(int, FILE *); void setbuffer(FILE *, char *, int); int setlinebuf(FILE *); __END_DECLS /* * Stdio function-access interface. */ __BEGIN_DECLS FILE *funopen(const void *, int (*)(void *, char *, int), int (*)(void *, const char *, int), off_t (*)(void *, off_t, int), int (*)(void *)); __END_DECLS #define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) #define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) #endif /* __BSD_VISIBLE */ #define getchar() getc(stdin) #define putchar(x) putc(x, stdout) #define getchar_unlocked() getc_unlocked(stdin) #define putchar_unlocked(c) putc_unlocked(c, stdout) #endif /* _STDIO_H_ */