libio/stdio/stdio.h

   1 /* This is part of the iostream/stdio library, providing -*- C -*- I/O.
   2    Define ANSI C stdio on top of C++ iostreams.
   3    Copyright (C) 1991, 1994 Free Software Foundation
   4
   5 This library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public
   7 License as published by the Free Software Foundation; either
   8 version 2 of the License, or (at your option) any later version.
   9
  10
  11 This library is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 Library General Public License for more details.
  15
  16 You should have received a copy of the GNU Library General Public
  17 License along with this library; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19 */
  20
  21 /*
  22  *      ANSI Standard: 4.9 INPUT/OUTPUT <stdio.h>
  23  */
  24
  25 #ifndef _STDIO_H
  26 #define _STDIO_H
  27 #define _STDIO_USES_IOSTREAM
  28
  29 #include <libio.h>
  30
  31 #ifndef NULL
  32 #ifdef __cplusplus
  33 #define NULL 0
  34 #else
  35 #define NULL (void*)0
  36 #endif
  37 #endif
  38
  39 #ifndef EOF
  40 #define EOF (-1)
  41 #endif
  42 #ifndef BUFSIZ
  43 #define BUFSIZ 1024
  44 #endif
  45
  46 #define _IOFBF 0 /* Fully buffered. */
  47 #define _IOLBF 1 /* Line buffered. */
  48 #define _IONBF 2 /* No buffering. */
  49
  50 #define SEEK_SET 0
  51 #define SEEK_CUR 1
  52 #define SEEK_END 2
  53
  54  /* define size_t.  Crud in case <sys/types.h> has defined it. */
  55 #if !defined(_SIZE_T) && !defined(_T_SIZE_) && !defined(_T_SIZE)
  56 #if !defined(__SIZE_T) && !defined(_SIZE_T_) && !defined(___int_size_t_h)
  57 #if !defined(_GCC_SIZE_T) && !defined(_SIZET_)
  58 #define _SIZE_T
  59 #define _T_SIZE_
  60 #define _T_SIZE
  61 #define __SIZE_T
  62 #define _SIZE_T_
  63 #define ___int_size_t_h
  64 #define _GCC_SIZE_T
  65 #define _SIZET_
  66 typedef _IO_size_t size_t;
  67 #endif
  68 #endif
  69 #endif
  70
  71 typedef struct _IO_FILE FILE;
  72 typedef _IO_fpos_t fpos_t;
  73
  74 #define FOPEN_MAX     _G_FOPEN_MAX
  75 #define FILENAME_MAX _G_FILENAME_MAX
  76 #ifndef TMP_MAX
  77 #define TMP_MAX 999 /* Only limited by filename length */
  78 #endif
  79
  80 #define L_ctermid     9
  81 #define L_cuserid     9
  82 #define P_tmpdir      "/tmp"
  83 #define L_tmpnam      20
  84
  85 /* For use by debuggers. These are linked in if printf or fprintf are used. */
  86 extern FILE *stdin, *stdout, *stderr; /* TODO */
  87
  88 #define stdin _IO_stdin
  89 #define stdout _IO_stdout
  90 #define stderr _IO_stderr
  91
  92 #ifdef __cplusplus
  93 extern "C" {
  94 #endif
  95
  96 #ifndef __P
  97 #if defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)
  98 #define __P(args) args
  99 #else
 100 #define __P(args) ()
 101 #endif
 102 #endif /*!__P*/
 103
 104 extern void clearerr __P((FILE*));
 105 extern int fclose __P((FILE*));
 106 extern int feof __P((FILE*));
 107 extern int ferror __P((FILE*));
 108 extern int fflush __P((FILE*));
 109 extern int fgetc __P((FILE *));
 110 extern int fgetpos __P((FILE* fp, fpos_t *pos));
 111 extern char* fgets __P((char*, int, FILE*));
 112 extern FILE* fopen __P((const char*, const char*));
 113 extern int fprintf __P((FILE*, const char* format, ...));
 114 extern int fputc __P((int, FILE*));
 115 extern int fputs __P((const char *str, FILE *fp));
 116 extern size_t fread __P((void*, size_t, size_t, FILE*));
 117 extern FILE* freopen __P((const char*, const char*, FILE*));
 118 extern int fscanf __P((FILE *fp, const char* format, ...));
 119 extern int fseek __P((FILE* fp, long int offset, int whence));
 120 extern int fsetpos __P((FILE* fp, const fpos_t *pos));
 121 extern long int ftell __P((FILE* fp));
 122 extern size_t fwrite __P((const void*, size_t, size_t, FILE*));
 123 extern int getc __P((FILE *));
 124 extern int getchar __P((void));
 125 extern char* gets __P((char*));
 126 extern void perror __P((const char *));
 127 extern int printf __P((const char* format, ...));
 128 extern int putc __P((int, FILE *));
 129 extern int putchar __P((int));
 130 extern int puts __P((const char *str));
 131 extern int remove __P((const char*));
 132 extern int rename __P((const char* _old, const char* _new));
 133 extern void rewind __P((FILE*));
 134 extern int scanf __P((const char* format, ...));
 135 extern void setbuf __P((FILE*, char*));
 136 extern void setlinebuf __P((FILE*));
 137 extern void setbuffer __P((FILE*, char*, int));
 138 extern int setvbuf __P((FILE*, char*, int mode, size_t size));
 139 extern int sprintf __P((char*, const char* format, ...));
 140 extern int sscanf __P((const char* string, const char* format, ...));
 141 extern FILE* tmpfile __P((void));
 142 extern char* tmpnam __P((char*));
 143 extern int ungetc __P((int c, FILE* fp));
 144 extern int vfprintf __P((FILE *fp, char const *fmt0, _IO_va_list));
 145 extern int vprintf __P((char const *fmt, _IO_va_list));
 146 extern int vsprintf __P((char* string, const char* format, _IO_va_list));
 147
 148 #ifndef __STRICT_ANSI__
 149 extern int vfscanf __P((FILE*, const char *, _IO_va_list));
 150 extern int vscanf __P((const char *, _IO_va_list));
 151 extern int vsscanf __P((const char *, const char *, _IO_va_list));
 152 #endif
 153
 154 #if !defined(__STRICT_ANSI__) || defined(_POSIX_SOURCE)
 155 extern FILE *fdopen __P((int, const char *));
 156 extern int fileno __P((FILE*));
 157 extern FILE* popen __P((const char*, const char*));
 158 extern int pclose __P((FILE*));
 159 #endif
 160
 161 #ifdef __USE_GNU
 162 extern _IO_ssize_t getdelim __P ((char **, size_t *, int, FILE*));
 163 extern _IO_ssize_t getline __P ((char **, size_t *, FILE *));
 164
 165 extern int snprintf __P ((char *, size_t, const char *, ...));
 166 extern int vsnprintf __P ((char *, size_t, const char *, _IO_va_list));
 167 #endif
 168
 169 extern int __underflow __P((struct _IO_FILE*));
 170 extern int __overflow __P((struct _IO_FILE*, int));
 171
 172 /* Handle locking of streams.  */
 173 #if defined _REENTRANT || defined _THREAD_SAFE
 174 extern void clearerr_locked __P ((FILE *));
 175 extern void clearerr_unlocked __P ((FILE *));
 176 extern int feof_locked __P ((FILE *));
 177 extern int feof_unlocked __P ((FILE *));
 178 extern int ferror_locked __P ((FILE*));
 179 extern int ferror_unlocked __P ((FILE*));
 180 extern int fileno_locked __P ((FILE *));
 181 extern int fileno_unlocked __P ((FILE *));
 182 extern void flockfile __P ((FILE *));
 183 extern void funlockfile __P ((FILE *));
 184 extern int ftrylockfile __P ((FILE *));
 185 extern int fclose_unlocked __P ((FILE *));
 186 extern int fflush_locked __P ((FILE *));
 187 extern int fflush_unlocked __P ((FILE *));
 188 extern size_t fread_unlocked __P ((void *, size_t, size_t, FILE *));
 189 extern size_t fwrite_unlocked __P ((const void *, size_t, size_t, FILE *));
 190
 191 extern int fputc_locked __P ((int, FILE*));
 192 extern int fputc_unlocked __P ((int, FILE*));
 193 extern int getc_locked __P ((FILE *));
 194 extern int getc_unlocked __P ((FILE *));
 195 extern int getchar_locked __P ((void));
 196 extern int getchar_unlocked __P ((void));
 197 extern int putc_locked __P ((int, FILE *));
 198 extern int putc_unlocked __P ((int, FILE *));
 199 extern int putchar_locked __P ((int));
 200 extern int putchar_unlocked __P ((int));
 201
 202 # define getc_unlocked(fp) _IO_getc_unlocked (fp)
 203 # define getc_locked(fp) _IO_getc (fp)
 204 # define getchar_unlocked() _IO_getc_unlocked (stdin)
 205 # define getchar_locked() _IO_getc (stdin)
 206 # define putchar_unlocked(c) _IO_putc_unlocked (c, stdout)
 207 # define putchar_locked(c) _IO_putc (c, stdout)
 208 #endif /* __USE_REENTRANT */
 209
 210 #define getc(fp) _IO_getc(fp)
 211 #define putc(c, fp) _IO_putc(c, fp)
 212 #define putchar(c) _IO_putc(c, stdout)
 213 #define getchar() _IO_getc(stdin)
 214
 215 #ifdef __cplusplus
 216 }
 217 #endif
 218
 219 #endif /*!_STDIO_H*/