1951a39d68df598db08dfced8b4707755864a0492Ying Wang/* $OpenBSD: stdio.h,v 1.35 2006/01/13 18:10:09 miod Exp $ */ 2951a39d68df598db08dfced8b4707755864a0492Ying Wang/* $NetBSD: stdio.h,v 1.18 1996/04/25 18:29:21 jtc Exp $ */ 3951a39d68df598db08dfced8b4707755864a0492Ying Wang 4951a39d68df598db08dfced8b4707755864a0492Ying Wang/*- 5951a39d68df598db08dfced8b4707755864a0492Ying Wang * Copyright (c) 1990 The Regents of the University of California. 6951a39d68df598db08dfced8b4707755864a0492Ying Wang * All rights reserved. 7951a39d68df598db08dfced8b4707755864a0492Ying Wang * 8951a39d68df598db08dfced8b4707755864a0492Ying Wang * This code is derived from software contributed to Berkeley by 9951a39d68df598db08dfced8b4707755864a0492Ying Wang * Chris Torek. 10951a39d68df598db08dfced8b4707755864a0492Ying Wang * 11951a39d68df598db08dfced8b4707755864a0492Ying Wang * Redistribution and use in source and binary forms, with or without 12951a39d68df598db08dfced8b4707755864a0492Ying Wang * modification, are permitted provided that the following conditions 13951a39d68df598db08dfced8b4707755864a0492Ying Wang * are met: 14951a39d68df598db08dfced8b4707755864a0492Ying Wang * 1. Redistributions of source code must retain the above copyright 15951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer. 16951a39d68df598db08dfced8b4707755864a0492Ying Wang * 2. Redistributions in binary form must reproduce the above copyright 17951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer in the 18951a39d68df598db08dfced8b4707755864a0492Ying Wang * documentation and/or other materials provided with the distribution. 19951a39d68df598db08dfced8b4707755864a0492Ying Wang * 3. Neither the name of the University nor the names of its contributors 20951a39d68df598db08dfced8b4707755864a0492Ying Wang * may be used to endorse or promote products derived from this software 21951a39d68df598db08dfced8b4707755864a0492Ying Wang * without specific prior written permission. 22951a39d68df598db08dfced8b4707755864a0492Ying Wang * 23951a39d68df598db08dfced8b4707755864a0492Ying Wang * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24951a39d68df598db08dfced8b4707755864a0492Ying Wang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25951a39d68df598db08dfced8b4707755864a0492Ying Wang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26951a39d68df598db08dfced8b4707755864a0492Ying Wang * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27951a39d68df598db08dfced8b4707755864a0492Ying Wang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28951a39d68df598db08dfced8b4707755864a0492Ying Wang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29951a39d68df598db08dfced8b4707755864a0492Ying Wang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30951a39d68df598db08dfced8b4707755864a0492Ying Wang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31951a39d68df598db08dfced8b4707755864a0492Ying Wang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32951a39d68df598db08dfced8b4707755864a0492Ying Wang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33951a39d68df598db08dfced8b4707755864a0492Ying Wang * SUCH DAMAGE. 34951a39d68df598db08dfced8b4707755864a0492Ying Wang * 35951a39d68df598db08dfced8b4707755864a0492Ying Wang * @(#)stdio.h 5.17 (Berkeley) 6/3/91 36951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 37951a39d68df598db08dfced8b4707755864a0492Ying Wang 38951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _STDIO_H_ 39951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _STDIO_H_ 40951a39d68df598db08dfced8b4707755864a0492Ying Wang 41951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <sys/cdefs.h> 42951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <sys/_types.h> 43951a39d68df598db08dfced8b4707755864a0492Ying Wang 44951a39d68df598db08dfced8b4707755864a0492Ying Wang/* va_list and size_t must be defined by stdio.h according to Posix */ 45951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __need___va_list 46951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <stdarg.h> 47951a39d68df598db08dfced8b4707755864a0492Ying Wang 48951a39d68df598db08dfced8b4707755864a0492Ying Wang/* note that this forces stddef.h to *only* define size_t */ 49951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __need_size_t 50951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <stddef.h> 51951a39d68df598db08dfced8b4707755864a0492Ying Wang 52951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <stddef.h> 53951a39d68df598db08dfced8b4707755864a0492Ying Wang 54951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE 55951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <sys/types.h> /* XXX should be removed */ 56951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 57951a39d68df598db08dfced8b4707755864a0492Ying Wang 58951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _SIZE_T_DEFINED_ 59951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _SIZE_T_DEFINED_ 60951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef unsigned long size_t; 61951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 62951a39d68df598db08dfced8b4707755864a0492Ying Wang 63951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _OFF_T_DEFINED_ 64951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _OFF_T_DEFINED_ 65951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef long off_t; 66951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 67951a39d68df598db08dfced8b4707755864a0492Ying Wang 68951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef NULL 69951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef __GNUG__ 70951a39d68df598db08dfced8b4707755864a0492Ying Wang#define NULL __null 71951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 72951a39d68df598db08dfced8b4707755864a0492Ying Wang#define NULL 0L 73951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 74951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 75951a39d68df598db08dfced8b4707755864a0492Ying Wang 76951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _FSTDIO /* Define for new stdio with functions. */ 77951a39d68df598db08dfced8b4707755864a0492Ying Wang 78951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef off_t fpos_t; /* stdio file position type */ 79951a39d68df598db08dfced8b4707755864a0492Ying Wang 80951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 81951a39d68df598db08dfced8b4707755864a0492Ying Wang * NB: to fit things in six character monocase externals, the stdio 82951a39d68df598db08dfced8b4707755864a0492Ying Wang * code uses the prefix `__s' for stdio objects, typically followed 83951a39d68df598db08dfced8b4707755864a0492Ying Wang * by a three-character attempt at a mnemonic. 84951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 85951a39d68df598db08dfced8b4707755864a0492Ying Wang 86951a39d68df598db08dfced8b4707755864a0492Ying Wang/* stdio buffers */ 87951a39d68df598db08dfced8b4707755864a0492Ying Wangstruct __sbuf { 88951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char *_base; 89951a39d68df598db08dfced8b4707755864a0492Ying Wang int _size; 90951a39d68df598db08dfced8b4707755864a0492Ying Wang}; 91951a39d68df598db08dfced8b4707755864a0492Ying Wang 92951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 93951a39d68df598db08dfced8b4707755864a0492Ying Wang * stdio state variables. 94951a39d68df598db08dfced8b4707755864a0492Ying Wang * 95951a39d68df598db08dfced8b4707755864a0492Ying Wang * The following always hold: 96951a39d68df598db08dfced8b4707755864a0492Ying Wang * 97951a39d68df598db08dfced8b4707755864a0492Ying Wang * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), 98951a39d68df598db08dfced8b4707755864a0492Ying Wang * _lbfsize is -_bf._size, else _lbfsize is 0 99951a39d68df598db08dfced8b4707755864a0492Ying Wang * if _flags&__SRD, _w is 0 100951a39d68df598db08dfced8b4707755864a0492Ying Wang * if _flags&__SWR, _r is 0 101951a39d68df598db08dfced8b4707755864a0492Ying Wang * 102951a39d68df598db08dfced8b4707755864a0492Ying Wang * This ensures that the getc and putc macros (or inline functions) never 103951a39d68df598db08dfced8b4707755864a0492Ying Wang * try to write or read from a file that is in `read' or `write' mode. 104951a39d68df598db08dfced8b4707755864a0492Ying Wang * (Moreover, they can, and do, automatically switch from read mode to 105951a39d68df598db08dfced8b4707755864a0492Ying Wang * write mode, and back, on "r+" and "w+" files.) 106951a39d68df598db08dfced8b4707755864a0492Ying Wang * 107951a39d68df598db08dfced8b4707755864a0492Ying Wang * _lbfsize is used only to make the inline line-buffered output stream 108951a39d68df598db08dfced8b4707755864a0492Ying Wang * code as compact as possible. 109951a39d68df598db08dfced8b4707755864a0492Ying Wang * 110951a39d68df598db08dfced8b4707755864a0492Ying Wang * _ub, _up, and _ur are used when ungetc() pushes back more characters 111951a39d68df598db08dfced8b4707755864a0492Ying Wang * than fit in the current _bf, or when ungetc() pushes back a character 112951a39d68df598db08dfced8b4707755864a0492Ying Wang * that does not match the previous one in _bf. When this happens, 113951a39d68df598db08dfced8b4707755864a0492Ying Wang * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff 114951a39d68df598db08dfced8b4707755864a0492Ying Wang * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. 115951a39d68df598db08dfced8b4707755864a0492Ying Wang * 116951a39d68df598db08dfced8b4707755864a0492Ying Wang * NOTE: if you change this structure, you also need to update the 117951a39d68df598db08dfced8b4707755864a0492Ying Wang * std() initializer in findfp.c. 118951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 119951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct __sFILE { 120951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char *_p; /* current position in (some) buffer */ 121951a39d68df598db08dfced8b4707755864a0492Ying Wang int _r; /* read space left for getc() */ 122951a39d68df598db08dfced8b4707755864a0492Ying Wang int _w; /* write space left for putc() */ 123951a39d68df598db08dfced8b4707755864a0492Ying Wang short _flags; /* flags, below; this FILE is free if 0 */ 124951a39d68df598db08dfced8b4707755864a0492Ying Wang short _file; /* fileno, if Unix descriptor, else -1 */ 125951a39d68df598db08dfced8b4707755864a0492Ying Wang struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ 126951a39d68df598db08dfced8b4707755864a0492Ying Wang int _lbfsize; /* 0 or -_bf._size, for inline putc */ 127951a39d68df598db08dfced8b4707755864a0492Ying Wang 128951a39d68df598db08dfced8b4707755864a0492Ying Wang /* operations */ 129951a39d68df598db08dfced8b4707755864a0492Ying Wang void *_cookie; /* cookie passed to io functions */ 130951a39d68df598db08dfced8b4707755864a0492Ying Wang int (*_close)(void *); 131951a39d68df598db08dfced8b4707755864a0492Ying Wang int (*_read)(void *, char *, int); 132951a39d68df598db08dfced8b4707755864a0492Ying Wang fpos_t (*_seek)(void *, fpos_t, int); 133951a39d68df598db08dfced8b4707755864a0492Ying Wang int (*_write)(void *, const char *, int); 134951a39d68df598db08dfced8b4707755864a0492Ying Wang 135951a39d68df598db08dfced8b4707755864a0492Ying Wang /* extension data, to avoid further ABI breakage */ 136951a39d68df598db08dfced8b4707755864a0492Ying Wang struct __sbuf _ext; 137951a39d68df598db08dfced8b4707755864a0492Ying Wang /* data for long sequences of ungetc() */ 138951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char *_up; /* saved _p when _p is doing ungetc data */ 139951a39d68df598db08dfced8b4707755864a0492Ying Wang int _ur; /* saved _r when _r is counting ungetc data */ 140951a39d68df598db08dfced8b4707755864a0492Ying Wang 141951a39d68df598db08dfced8b4707755864a0492Ying Wang /* tricks to meet minimum requirements even when malloc() fails */ 142951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ 143951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char _nbuf[1]; /* guarantee a getc() buffer */ 144951a39d68df598db08dfced8b4707755864a0492Ying Wang 145951a39d68df598db08dfced8b4707755864a0492Ying Wang /* separate buffer for fgetln() when line crosses buffer boundary */ 146951a39d68df598db08dfced8b4707755864a0492Ying Wang struct __sbuf _lb; /* buffer for fgetln() */ 147951a39d68df598db08dfced8b4707755864a0492Ying Wang 148951a39d68df598db08dfced8b4707755864a0492Ying Wang /* Unix stdio files get aligned to block boundaries on fseek() */ 149951a39d68df598db08dfced8b4707755864a0492Ying Wang int _blksize; /* stat.st_blksize (may be != _bf._size) */ 150951a39d68df598db08dfced8b4707755864a0492Ying Wang fpos_t _offset; /* current lseek offset */ 151951a39d68df598db08dfced8b4707755864a0492Ying Wang} FILE; 152951a39d68df598db08dfced8b4707755864a0492Ying Wang 153951a39d68df598db08dfced8b4707755864a0492Ying Wang__BEGIN_DECLS 154951a39d68df598db08dfced8b4707755864a0492Ying Wangextern FILE __sF[]; 155951a39d68df598db08dfced8b4707755864a0492Ying Wang__END_DECLS 156951a39d68df598db08dfced8b4707755864a0492Ying Wang 157951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SLBF 0x0001 /* line buffered */ 158951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SNBF 0x0002 /* unbuffered */ 159951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SRD 0x0004 /* OK to read */ 160951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SWR 0x0008 /* OK to write */ 161951a39d68df598db08dfced8b4707755864a0492Ying Wang /* RD and WR are never simultaneously asserted */ 162951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SRW 0x0010 /* open for reading & writing */ 163951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SEOF 0x0020 /* found EOF */ 164951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SERR 0x0040 /* found error */ 165951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SMBF 0x0080 /* _buf is from malloc */ 166951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SAPP 0x0100 /* fdopen()ed in append mode */ 167951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SSTR 0x0200 /* this is an sprintf/snprintf string */ 168951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SOPT 0x0400 /* do fseek() optimisation */ 169951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SNPT 0x0800 /* do not do fseek() optimisation */ 170951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SOFF 0x1000 /* set iff _offset is in fact correct */ 171951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SMOD 0x2000 /* true => fgetln modified _p text */ 172951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SALC 0x4000 /* allocate string space dynamically */ 173951a39d68df598db08dfced8b4707755864a0492Ying Wang 174951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 175951a39d68df598db08dfced8b4707755864a0492Ying Wang * The following three definitions are for ANSI C, which took them 176951a39d68df598db08dfced8b4707755864a0492Ying Wang * from System V, which brilliantly took internal interface macros and 177951a39d68df598db08dfced8b4707755864a0492Ying Wang * made them official arguments to setvbuf(), without renaming them. 178951a39d68df598db08dfced8b4707755864a0492Ying Wang * Hence, these ugly _IOxxx names are *supposed* to appear in user code. 179951a39d68df598db08dfced8b4707755864a0492Ying Wang * 180951a39d68df598db08dfced8b4707755864a0492Ying Wang * Although numbered as their counterparts above, the implementation 181951a39d68df598db08dfced8b4707755864a0492Ying Wang * does not rely on this. 182951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 183951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _IOFBF 0 /* setvbuf should set fully buffered */ 184951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _IOLBF 1 /* setvbuf should set line buffered */ 185951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _IONBF 2 /* setvbuf should set unbuffered */ 186951a39d68df598db08dfced8b4707755864a0492Ying Wang 187951a39d68df598db08dfced8b4707755864a0492Ying Wang#define BUFSIZ 1024 /* size of buffer used by setbuf */ 188951a39d68df598db08dfced8b4707755864a0492Ying Wang 189951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EOF (-1) 190951a39d68df598db08dfced8b4707755864a0492Ying Wang 191951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 192951a39d68df598db08dfced8b4707755864a0492Ying Wang * FOPEN_MAX is a minimum maximum, and should be the number of descriptors 193951a39d68df598db08dfced8b4707755864a0492Ying Wang * that the kernel can provide without allocation of a resource that can 194951a39d68df598db08dfced8b4707755864a0492Ying Wang * fail without the process sleeping. Do not use this for anything. 195951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 196951a39d68df598db08dfced8b4707755864a0492Ying Wang#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ 197951a39d68df598db08dfced8b4707755864a0492Ying Wang#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ 198951a39d68df598db08dfced8b4707755864a0492Ying Wang 199951a39d68df598db08dfced8b4707755864a0492Ying Wang/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ 200951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __BSD_VISIBLE || __XPG_VISIBLE 201951a39d68df598db08dfced8b4707755864a0492Ying Wang#define P_tmpdir "/tmp/" 202951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 203951a39d68df598db08dfced8b4707755864a0492Ying Wang#define L_tmpnam 1024 /* XXX must be == PATH_MAX */ 204951a39d68df598db08dfced8b4707755864a0492Ying Wang#define TMP_MAX 308915776 205951a39d68df598db08dfced8b4707755864a0492Ying Wang 206951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef SEEK_SET 207951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SEEK_SET 0 /* set file offset to offset */ 208951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 209951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef SEEK_CUR 210951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SEEK_CUR 1 /* set file offset to current plus offset */ 211951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 212951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef SEEK_END 213951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SEEK_END 2 /* set file offset to EOF plus offset */ 214951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 215951a39d68df598db08dfced8b4707755864a0492Ying Wang 216951a39d68df598db08dfced8b4707755864a0492Ying Wang#define stdin (&__sF[0]) 217951a39d68df598db08dfced8b4707755864a0492Ying Wang#define stdout (&__sF[1]) 218951a39d68df598db08dfced8b4707755864a0492Ying Wang#define stderr (&__sF[2]) 219951a39d68df598db08dfced8b4707755864a0492Ying Wang 220951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 221951a39d68df598db08dfced8b4707755864a0492Ying Wang * Functions defined in ANSI C standard. 222951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 223951a39d68df598db08dfced8b4707755864a0492Ying Wang__BEGIN_DECLS 224951a39d68df598db08dfced8b4707755864a0492Ying Wangvoid clearerr(FILE *); 225951a39d68df598db08dfced8b4707755864a0492Ying Wangint fclose(FILE *); 226951a39d68df598db08dfced8b4707755864a0492Ying Wangint feof(FILE *); 227951a39d68df598db08dfced8b4707755864a0492Ying Wangint ferror(FILE *); 228951a39d68df598db08dfced8b4707755864a0492Ying Wangint fflush(FILE *); 229951a39d68df598db08dfced8b4707755864a0492Ying Wangint fgetc(FILE *); 230951a39d68df598db08dfced8b4707755864a0492Ying Wangint fgetpos(FILE *, fpos_t *); 231951a39d68df598db08dfced8b4707755864a0492Ying Wangchar *fgets(char *, int, FILE *); 232951a39d68df598db08dfced8b4707755864a0492Ying WangFILE *fopen(const char *, const char *); 233951a39d68df598db08dfced8b4707755864a0492Ying Wangint fprintf(FILE *, const char *, ...); 234951a39d68df598db08dfced8b4707755864a0492Ying Wangint fputc(int, FILE *); 235951a39d68df598db08dfced8b4707755864a0492Ying Wangint fputs(const char *, FILE *); 236951a39d68df598db08dfced8b4707755864a0492Ying Wangsize_t fread(void *, size_t, size_t, FILE *); 237951a39d68df598db08dfced8b4707755864a0492Ying WangFILE *freopen(const char *, const char *, FILE *); 238951a39d68df598db08dfced8b4707755864a0492Ying Wangint fscanf(FILE *, const char *, ...); 239951a39d68df598db08dfced8b4707755864a0492Ying Wangint fseek(FILE *, long, int); 240951a39d68df598db08dfced8b4707755864a0492Ying Wangint fseeko(FILE *, off_t, int); 241951a39d68df598db08dfced8b4707755864a0492Ying Wangint fsetpos(FILE *, const fpos_t *); 242951a39d68df598db08dfced8b4707755864a0492Ying Wanglong ftell(FILE *); 243951a39d68df598db08dfced8b4707755864a0492Ying Wangoff_t ftello(FILE *); 244951a39d68df598db08dfced8b4707755864a0492Ying Wangsize_t fwrite(const void *, size_t, size_t, FILE *); 245951a39d68df598db08dfced8b4707755864a0492Ying Wangint getc(FILE *); 246951a39d68df598db08dfced8b4707755864a0492Ying Wangint getchar(void); 247951a39d68df598db08dfced8b4707755864a0492Ying Wangchar *gets(char *); 248951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __BSD_VISIBLE && !defined(__SYS_ERRLIST) 249951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __SYS_ERRLIST 250951a39d68df598db08dfced8b4707755864a0492Ying Wang 251951a39d68df598db08dfced8b4707755864a0492Ying Wangextern int sys_nerr; /* perror(3) external variables */ 252951a39d68df598db08dfced8b4707755864a0492Ying Wangextern char *sys_errlist[]; 253951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 254951a39d68df598db08dfced8b4707755864a0492Ying Wangvoid perror(const char *); 255951a39d68df598db08dfced8b4707755864a0492Ying Wangint printf(const char *, ...); 256951a39d68df598db08dfced8b4707755864a0492Ying Wangint putc(int, FILE *); 257951a39d68df598db08dfced8b4707755864a0492Ying Wangint putchar(int); 258951a39d68df598db08dfced8b4707755864a0492Ying Wangint puts(const char *); 259951a39d68df598db08dfced8b4707755864a0492Ying Wangint remove(const char *); 260951a39d68df598db08dfced8b4707755864a0492Ying Wangint rename(const char *, const char *); 261951a39d68df598db08dfced8b4707755864a0492Ying Wangvoid rewind(FILE *); 262951a39d68df598db08dfced8b4707755864a0492Ying Wangint scanf(const char *, ...); 263951a39d68df598db08dfced8b4707755864a0492Ying Wangvoid setbuf(FILE *, char *); 264951a39d68df598db08dfced8b4707755864a0492Ying Wangint setvbuf(FILE *, char *, int, size_t); 265951a39d68df598db08dfced8b4707755864a0492Ying Wangint sprintf(char *, const char *, ...); 266951a39d68df598db08dfced8b4707755864a0492Ying Wangint sscanf(const char *, const char *, ...); 267951a39d68df598db08dfced8b4707755864a0492Ying WangFILE *tmpfile(void); 268951a39d68df598db08dfced8b4707755864a0492Ying Wangchar *tmpnam(char *); 269951a39d68df598db08dfced8b4707755864a0492Ying Wangint ungetc(int, FILE *); 270951a39d68df598db08dfced8b4707755864a0492Ying Wangint vfprintf(FILE *, const char *, __va_list); 271951a39d68df598db08dfced8b4707755864a0492Ying Wangint vprintf(const char *, __va_list); 272951a39d68df598db08dfced8b4707755864a0492Ying Wangint vsprintf(char *, const char *, __va_list); 273951a39d68df598db08dfced8b4707755864a0492Ying Wang 274951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE 275951a39d68df598db08dfced8b4707755864a0492Ying Wangint snprintf(char *, size_t, const char *, ...) 276951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__format__ (printf, 3, 4))) 277951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__nonnull__ (3))); 278951a39d68df598db08dfced8b4707755864a0492Ying Wangint vfscanf(FILE *, const char *, __va_list) 279951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__format__ (scanf, 2, 0))) 280951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__nonnull__ (2))); 281951a39d68df598db08dfced8b4707755864a0492Ying Wangint vscanf(const char *, __va_list) 282951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__format__ (scanf, 1, 0))) 283951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__nonnull__ (1))); 284951a39d68df598db08dfced8b4707755864a0492Ying Wangint vsnprintf(char *, size_t, const char *, __va_list) 285951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__format__ (printf, 3, 0))) 286951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__nonnull__ (3))); 287951a39d68df598db08dfced8b4707755864a0492Ying Wangint vsscanf(const char *, const char *, __va_list) 288951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__format__ (scanf, 2, 0))) 289951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__nonnull__ (2))); 290951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE */ 291951a39d68df598db08dfced8b4707755864a0492Ying Wang 292951a39d68df598db08dfced8b4707755864a0492Ying Wang__END_DECLS 293951a39d68df598db08dfced8b4707755864a0492Ying Wang 294951a39d68df598db08dfced8b4707755864a0492Ying Wang 295951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 296951a39d68df598db08dfced8b4707755864a0492Ying Wang * Functions defined in POSIX 1003.1. 297951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 298951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE 299951a39d68df598db08dfced8b4707755864a0492Ying Wang#define L_ctermid 1024 /* size for ctermid(); PATH_MAX */ 300951a39d68df598db08dfced8b4707755864a0492Ying Wang#define L_cuserid 9 /* size for cuserid(); UT_NAMESIZE + 1 */ 301951a39d68df598db08dfced8b4707755864a0492Ying Wang 302951a39d68df598db08dfced8b4707755864a0492Ying Wang__BEGIN_DECLS 303951a39d68df598db08dfced8b4707755864a0492Ying Wang#if 0 /* MISSING FROM BIONIC */ 304951a39d68df598db08dfced8b4707755864a0492Ying Wangchar *ctermid(char *); 305951a39d68df598db08dfced8b4707755864a0492Ying Wangchar *cuserid(char *); 306951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* MISSING */ 307951a39d68df598db08dfced8b4707755864a0492Ying WangFILE *fdopen(int, const char *); 308951a39d68df598db08dfced8b4707755864a0492Ying Wangint fileno(FILE *); 309951a39d68df598db08dfced8b4707755864a0492Ying Wang 310951a39d68df598db08dfced8b4707755864a0492Ying Wang#if (__POSIX_VISIBLE >= 199209) 311951a39d68df598db08dfced8b4707755864a0492Ying Wangint pclose(FILE *); 312951a39d68df598db08dfced8b4707755864a0492Ying WangFILE *popen(const char *, const char *); 313951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 314951a39d68df598db08dfced8b4707755864a0492Ying Wang 315951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __POSIX_VISIBLE >= 199506 316951a39d68df598db08dfced8b4707755864a0492Ying Wangvoid flockfile(FILE *); 317951a39d68df598db08dfced8b4707755864a0492Ying Wangint ftrylockfile(FILE *); 318951a39d68df598db08dfced8b4707755864a0492Ying Wangvoid funlockfile(FILE *); 319951a39d68df598db08dfced8b4707755864a0492Ying Wang 320951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 321951a39d68df598db08dfced8b4707755864a0492Ying Wang * These are normally used through macros as defined below, but POSIX 322951a39d68df598db08dfced8b4707755864a0492Ying Wang * requires functions as well. 323951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 324951a39d68df598db08dfced8b4707755864a0492Ying Wangint getc_unlocked(FILE *); 325951a39d68df598db08dfced8b4707755864a0492Ying Wangint getchar_unlocked(void); 326951a39d68df598db08dfced8b4707755864a0492Ying Wangint putc_unlocked(int, FILE *); 327951a39d68df598db08dfced8b4707755864a0492Ying Wangint putchar_unlocked(int); 328951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* __POSIX_VISIBLE >= 199506 */ 329951a39d68df598db08dfced8b4707755864a0492Ying Wang 330951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __XPG_VISIBLE 331951a39d68df598db08dfced8b4707755864a0492Ying Wangchar *tempnam(const char *, const char *); 332951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 333951a39d68df598db08dfced8b4707755864a0492Ying Wang__END_DECLS 334951a39d68df598db08dfced8b4707755864a0492Ying Wang 335951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */ 336951a39d68df598db08dfced8b4707755864a0492Ying Wang 337951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 338951a39d68df598db08dfced8b4707755864a0492Ying Wang * Routines that are purely local. 339951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 340951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __BSD_VISIBLE 341951a39d68df598db08dfced8b4707755864a0492Ying Wang__BEGIN_DECLS 342951a39d68df598db08dfced8b4707755864a0492Ying Wangint asprintf(char **, const char *, ...) 343951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__format__ (printf, 2, 3))) 344951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__nonnull__ (2))); 345951a39d68df598db08dfced8b4707755864a0492Ying Wangchar *fgetln(FILE *, size_t *); 346951a39d68df598db08dfced8b4707755864a0492Ying Wangint fpurge(FILE *); 347951a39d68df598db08dfced8b4707755864a0492Ying Wangint getw(FILE *); 348951a39d68df598db08dfced8b4707755864a0492Ying Wangint putw(int, FILE *); 349951a39d68df598db08dfced8b4707755864a0492Ying Wangvoid setbuffer(FILE *, char *, int); 350951a39d68df598db08dfced8b4707755864a0492Ying Wangint setlinebuf(FILE *); 351951a39d68df598db08dfced8b4707755864a0492Ying Wangint vasprintf(char **, const char *, __va_list) 352951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__format__ (printf, 2, 0))) 353951a39d68df598db08dfced8b4707755864a0492Ying Wang __attribute__((__nonnull__ (2))); 354951a39d68df598db08dfced8b4707755864a0492Ying Wang__END_DECLS 355951a39d68df598db08dfced8b4707755864a0492Ying Wang 356951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 357951a39d68df598db08dfced8b4707755864a0492Ying Wang * Stdio function-access interface. 358951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 359951a39d68df598db08dfced8b4707755864a0492Ying Wang__BEGIN_DECLS 360951a39d68df598db08dfced8b4707755864a0492Ying WangFILE *funopen(const void *, 361951a39d68df598db08dfced8b4707755864a0492Ying Wang int (*)(void *, char *, int), 362951a39d68df598db08dfced8b4707755864a0492Ying Wang int (*)(void *, const char *, int), 363951a39d68df598db08dfced8b4707755864a0492Ying Wang fpos_t (*)(void *, fpos_t, int), 364951a39d68df598db08dfced8b4707755864a0492Ying Wang int (*)(void *)); 365951a39d68df598db08dfced8b4707755864a0492Ying Wang__END_DECLS 366951a39d68df598db08dfced8b4707755864a0492Ying Wang#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) 367951a39d68df598db08dfced8b4707755864a0492Ying Wang#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) 368951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* __BSD_VISIBLE */ 369951a39d68df598db08dfced8b4707755864a0492Ying Wang 370951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 371951a39d68df598db08dfced8b4707755864a0492Ying Wang * Functions internal to the implementation. 372951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 373951a39d68df598db08dfced8b4707755864a0492Ying Wang__BEGIN_DECLS 374951a39d68df598db08dfced8b4707755864a0492Ying Wangint __srget(FILE *); 375951a39d68df598db08dfced8b4707755864a0492Ying Wangint __swbuf(int, FILE *); 376951a39d68df598db08dfced8b4707755864a0492Ying Wang__END_DECLS 377951a39d68df598db08dfced8b4707755864a0492Ying Wang 378951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 379951a39d68df598db08dfced8b4707755864a0492Ying Wang * The __sfoo macros are here so that we can 380951a39d68df598db08dfced8b4707755864a0492Ying Wang * define function versions in the C library. 381951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 382951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++)) 383951a39d68df598db08dfced8b4707755864a0492Ying Wang#if defined(__GNUC__) 384951a39d68df598db08dfced8b4707755864a0492Ying Wangstatic __inline int __sputc(int _c, FILE *_p) { 385951a39d68df598db08dfced8b4707755864a0492Ying Wang if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) 386951a39d68df598db08dfced8b4707755864a0492Ying Wang return (*_p->_p++ = _c); 387951a39d68df598db08dfced8b4707755864a0492Ying Wang else 388951a39d68df598db08dfced8b4707755864a0492Ying Wang return (__swbuf(_c, _p)); 389951a39d68df598db08dfced8b4707755864a0492Ying Wang} 390951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 391951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 392951a39d68df598db08dfced8b4707755864a0492Ying Wang * This has been tuned to generate reasonable code on the vax using pcc. 393951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 394951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __sputc(c, p) \ 395951a39d68df598db08dfced8b4707755864a0492Ying Wang (--(p)->_w < 0 ? \ 396951a39d68df598db08dfced8b4707755864a0492Ying Wang (p)->_w >= (p)->_lbfsize ? \ 397951a39d68df598db08dfced8b4707755864a0492Ying Wang (*(p)->_p = (c)), *(p)->_p != '\n' ? \ 398951a39d68df598db08dfced8b4707755864a0492Ying Wang (int)*(p)->_p++ : \ 399951a39d68df598db08dfced8b4707755864a0492Ying Wang __swbuf('\n', p) : \ 400951a39d68df598db08dfced8b4707755864a0492Ying Wang __swbuf((int)(c), p) : \ 401951a39d68df598db08dfced8b4707755864a0492Ying Wang (*(p)->_p = (c), (int)*(p)->_p++)) 402951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 403951a39d68df598db08dfced8b4707755864a0492Ying Wang 404951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __sfeof(p) (((p)->_flags & __SEOF) != 0) 405951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __sferror(p) (((p)->_flags & __SERR) != 0) 406951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF))) 407951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __sfileno(p) ((p)->_file) 408951a39d68df598db08dfced8b4707755864a0492Ying Wang 409951a39d68df598db08dfced8b4707755864a0492Ying Wang#define feof(p) __sfeof(p) 410951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ferror(p) __sferror(p) 411951a39d68df598db08dfced8b4707755864a0492Ying Wang 412951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _POSIX_THREADS 413951a39d68df598db08dfced8b4707755864a0492Ying Wang#define clearerr(p) __sclearerr(p) 414951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 415951a39d68df598db08dfced8b4707755864a0492Ying Wang 416951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __POSIX_VISIBLE 417951a39d68df598db08dfced8b4707755864a0492Ying Wang#define fileno(p) __sfileno(p) 418951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 419951a39d68df598db08dfced8b4707755864a0492Ying Wang 420951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef lint 421951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _POSIX_THREADS 422951a39d68df598db08dfced8b4707755864a0492Ying Wang#define getc(fp) __sgetc(fp) 423951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* _POSIX_THREADS */ 424951a39d68df598db08dfced8b4707755864a0492Ying Wang#define getc_unlocked(fp) __sgetc(fp) 425951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 426951a39d68df598db08dfced8b4707755864a0492Ying Wang * The macro implementations of putc and putc_unlocked are not 427951a39d68df598db08dfced8b4707755864a0492Ying Wang * fully POSIX compliant; they do not set errno on failure 428951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 429951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __BSD_VISIBLE 430951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _POSIX_THREADS 431951a39d68df598db08dfced8b4707755864a0492Ying Wang#define putc(x, fp) __sputc(x, fp) 432951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* _POSIX_THREADS */ 433951a39d68df598db08dfced8b4707755864a0492Ying Wang#define putc_unlocked(x, fp) __sputc(x, fp) 434951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* __BSD_VISIBLE */ 435951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* lint */ 436951a39d68df598db08dfced8b4707755864a0492Ying Wang 437951a39d68df598db08dfced8b4707755864a0492Ying Wang#define getchar() getc(stdin) 438951a39d68df598db08dfced8b4707755864a0492Ying Wang#define putchar(x) putc(x, stdout) 439951a39d68df598db08dfced8b4707755864a0492Ying Wang#define getchar_unlocked() getc_unlocked(stdin) 440951a39d68df598db08dfced8b4707755864a0492Ying Wang#define putchar_unlocked(c) putc_unlocked(c, stdout) 441951a39d68df598db08dfced8b4707755864a0492Ying Wang 442951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* _STDIO_H_ */ 443