libio/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, 1995 Free Software Foundation, Inc.
   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 #define TMP_MAX 999 /* Only limited by filename length */
  77
  78 #define L_ctermid     9
  79 #define L_cuserid     9
  80 #define P_tmpdir      "/tmp"
  81 #define L_tmpnam      20
  82
  83 /* For use by debuggers. These are linked in if printf or fprintf are used. */
  84 extern FILE *stdin, *stdout, *stderr; /* TODO */
  85
  86 #define stdin _IO_stdin
  87 #define stdout _IO_stdout
  88 #define stderr _IO_stderr
  89
  90 #ifdef __cplusplus
  91 extern "C" {
  92 #endif
  93
  94 #ifndef __P
  95 #if defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)
  96 #define __P(args) args
  97 #else
  98 #define __P(args) ()
  99 #endif
 100 #endif /*!__P*/
 101
 102 extern void clearerr __P ((FILE*));
 103 extern int fclose __P ((FILE*));
 104 extern int feof __P ((FILE*));
 105 extern int ferror __P ((FILE*));
 106 extern int fflush __P ((FILE*));
 107 extern int fgetc __P ((FILE *));
 108 extern int fgetpos __P ((FILE* fp, fpos_t *pos));
 109 extern char* fgets __P ((char*, int, FILE*));
 110 extern FILE* fopen __P ((__const char*, __const char*));
 111 extern int fprintf __P ((FILE*, __const char* format, ...));
 112 extern int fputc __P ((int, FILE*));
 113 extern int fputs __P ((__const char *str, FILE *fp));
 114 extern size_t fread __P ((void*, size_t, size_t, FILE*));
 115 extern FILE* freopen __P ((__const char*, __const char*, FILE*));
 116 extern int fscanf __P ((FILE *fp, __const char* format, ...));
 117 extern int fseek __P ((FILE* fp, long int offset, int whence));
 118 extern int fsetpos __P ((FILE* fp, __const fpos_t *pos));
 119 extern long int ftell __P ((FILE* fp));
 120 extern size_t fwrite __P ((__const void*, size_t, size_t, FILE*));
 121 extern int getc __P ((FILE *));
 122 extern int getchar __P ((void));
 123 extern char* gets __P ((char*));
 124 extern void perror __P ((__const char *));
 125 extern int printf __P ((__const char* format, ...));
 126 extern int putc __P ((int, FILE *));
 127 extern int putchar __P ((int));
 128 extern int puts __P ((__const char *str));
 129 extern int remove __P ((__const char*));
 130 extern int rename __P ((__const char* _old, __const char* _new));
 131 extern void rewind __P ((FILE*));
 132 extern int scanf __P ((__const char* format, ...));
 133 extern void setbuf __P ((FILE*, char*));
 134 extern void setlinebuf __P ((FILE*));
 135 extern void setbuffer __P ((FILE*, char*, int));
 136 extern int setvbuf __P ((FILE*, char*, int mode, size_t size));
 137 extern int sprintf __P ((char*, __const char* format, ...));
 138 extern int sscanf __P ((__const char* string, __const char* format, ...));
 139 extern FILE* tmpfile __P ((void));
 140 extern char* tmpnam __P ((char*));
 141 extern int ungetc __P ((int c, FILE* fp));
 142 extern int vfprintf __P ((FILE *fp, char __const *fmt0, _G_va_list));
 143 extern int vprintf __P ((char __const *fmt, _G_va_list));
 144 extern int vsprintf __P ((char* string, __const char* format, _G_va_list));
 145
 146 #ifndef __STRICT_ANSI__
 147 extern int dprintf __P ((int, __const char *, ...));
 148 extern int vdprintf __P ((int, __const char *, _G_va_list));
 149 extern int vfscanf __P ((FILE*, __const char *, _G_va_list));
 150 extern int vscanf __P ((__const char *, _G_va_list));
 151 extern int vsscanf __P ((__const char *, __const char *, _G_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 __snprintf __P ((char *, size_t, __const char *, ...));
 167 extern int vsnprintf __P ((char *, size_t, __const char *, _G_va_list));
 168
 169 /* Open a stream that writes into a malloc'd buffer that is expanded as
 170    necessary.  *BUFLOC and *SIZELOC are updated with the buffer's location
 171    and the number of characters written on fflush or fclose.  */
 172 extern FILE *open_memstream __P ((char **__bufloc, size_t *__sizeloc));
 173 #endif
 174
 175 extern int __underflow __P ((struct _IO_FILE*));
 176 extern int __overflow __P ((struct _IO_FILE*, int));
 177
 178 #define getc(fp) _IO_getc (fp)
 179 #define putc(c, fp) _IO_putc (c, fp)
 180 #define putchar(c) putc (c, stdout)
 181 #define getchar() getc (stdin)
 182
 183 #ifdef  __USE_BSD
 184 extern int sys_nerr;
 185 extern const char *const sys_errlist[];
 186 #endif
 187 #ifdef  __USE_GNU
 188 extern int _sys_nerr;
 189 extern const char *const _sys_errlist[];
 190 #endif
 191
 192 #ifdef __cplusplus
 193 }
 194 #endif
 195
 196 #endif /* !_STDIO_H */