include/stdio.h

   1 /*
   2  * stdio.h - input/output definitions
   3  *
   4  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
   5  * See the copyright notice in the ACK home directory, in the file "Copyright".
   6  */
   7 /* $Header$ */
   8
   9 #ifndef _STDIO_H
  10 #define _STDIO_H
  11
  12 #ifndef _ANSI_H
  13 #include <ansi.h>
  14 #endif
  15
  16 /*
  17  * Focus point of all stdio activity.
  18  */
  19 typedef struct __iobuf {
  20         int             _count;
  21         int             _fd;
  22         int             _flags;
  23         int             _bufsiz;
  24         unsigned char   *_buf;
  25         unsigned char   *_ptr;
  26 } FILE;
  27
  28 #define _IOFBF          0x000
  29 #define _IOREAD         0x001
  30 #define _IOWRITE        0x002
  31 #define _IONBF          0x004
  32 #define _IOMYBUF        0x008
  33 #define _IOEOF          0x010
  34 #define _IOERR          0x020
  35 #define _IOLBF          0x040
  36 #define _IOREADING      0x080
  37 #define _IOWRITING      0x100
  38 #define _IOAPPEND       0x200
  39 #define _IOFIFO         0x400
  40
  41 /* The following definitions are also in <unistd.h>. They should not
  42  * conflict.
  43  */
  44 #define SEEK_SET        0
  45 #define SEEK_CUR        1
  46 #define SEEK_END        2
  47
  48 #define stdin           (&__stdin)
  49 #define stdout          (&__stdout)
  50 #define stderr          (&__stderr)
  51
  52 #define BUFSIZ          4096
  53 #define NULL            ((void *)0)
  54 #define EOF             (-1)
  55
  56 #define FOPEN_MAX       20
  57
  58 #include <sys/dir.h>
  59 #define FILENAME_MAX    DIRSIZ
  60
  61 #define TMP_MAX         999
  62 #define L_tmpnam        (sizeof("/tmp/") + FILENAME_MAX)
  63 #define __STDIO_VA_LIST__       void *
  64
  65 typedef long int        fpos_t;
  66
  67 #ifndef _SIZE_T
  68 #define _SIZE_T
  69 typedef unsigned int    size_t;         /* type returned by sizeof */
  70 #endif /* _SIZE_T */
  71
  72 extern FILE     *__iotab[FOPEN_MAX];
  73 extern FILE     __stdin, __stdout, __stderr;
  74
  75 _PROTOTYPE( int remove, (const char *_filename)                         );
  76 _PROTOTYPE( int rename, (const char *_old, const char *_new)            );
  77 _PROTOTYPE( FILE *tmpfile, (void)                                       );
  78 _PROTOTYPE( char *tmpnam, (char *_s)                                    );
  79 _PROTOTYPE( int fclose, (FILE *_stream)                                 );
  80 _PROTOTYPE( int fflush, (FILE *_stream)                                 );
  81 _PROTOTYPE( FILE *fopen, (const char *_filename, const char *_mode)     );
  82 _PROTOTYPE( FILE *freopen,
  83             (const char *_filename, const char *_mode, FILE *_stream)   );
  84 _PROTOTYPE( void setbuf, (FILE *_stream, char *_buf)                    );
  85 _PROTOTYPE( int setvbuf,
  86                 (FILE *_stream, char *_buf, int _mode, size_t _size)    );
  87 _PROTOTYPE( int fprintf, (FILE *_stream, const char *_format, ...)      );
  88 _PROTOTYPE( int printf, (const char *_format, ...)                      );
  89 _PROTOTYPE( int sprintf, (char *_s, const char *_format, ...)           );
  90 _PROTOTYPE( int vfprintf,
  91                 (FILE *_stream, const char *_format, char *_arg)        );
  92 _PROTOTYPE( int vprintf, (const char *_format, char *_arg)              );
  93 _PROTOTYPE( int vsprintf, (char *_s, const char *_format, char *_arg)   );
  94 _PROTOTYPE( int fscanf, (FILE *_stream, const char *_format, ...)       );
  95 _PROTOTYPE( int scanf, (const char *_format, ...)                       );
  96 _PROTOTYPE( int sscanf, (const char *_s, const char *_format, ...)      );
  97 #define vfscanf _doscan
  98 _PROTOTYPE( int vfscanf, (FILE *_stream, const char *_format, char *_arg));
  99 _PROTOTYPE( int vscanf, (const char *_format, char *_arg)               );
 100 _PROTOTYPE( int vsscanf, (const char *_s, const char *_format, char *_arg));
 101 _PROTOTYPE( int fgetc, (FILE *_stream)                                  );
 102 _PROTOTYPE( char *fgets, (char *_s, int _n, FILE *_stream)              );
 103 _PROTOTYPE( int fputc, (int _c, FILE *_stream)                          );
 104 _PROTOTYPE( int fputs, (const char *_s, FILE *_stream)                  );
 105 _PROTOTYPE( int getc, (FILE *_stream)                                   );
 106 _PROTOTYPE( int getchar, (void)                                         );
 107 _PROTOTYPE( char *gets, (char *_s)                                      );
 108 _PROTOTYPE( int putc, (int _c, FILE *_stream)                           );
 109 _PROTOTYPE( int putchar, (int _c)                                       );
 110 _PROTOTYPE( int puts, (const char *_s)                                  );
 111 _PROTOTYPE( int ungetc, (int _c, FILE *_stream)                         );
 112 _PROTOTYPE( size_t fread,
 113             (void *_ptr, size_t _size, size_t _nmemb, FILE *_stream)    );
 114 _PROTOTYPE( size_t fwrite,
 115         (const void *_ptr, size_t _size, size_t _nmemb, FILE *_stream)  );
 116 _PROTOTYPE( int fgetpos, (FILE *_stream, fpos_t *_pos)                  );
 117 _PROTOTYPE( int fseek, (FILE *_stream, long _offset, int _whence)       );
 118 _PROTOTYPE( int fsetpos, (FILE *_stream, fpos_t *_pos)                  );
 119 _PROTOTYPE( long ftell, (FILE *_stream)                                 );
 120 _PROTOTYPE( void rewind, (FILE *_stream)                                );
 121 _PROTOTYPE( void clearerr, (FILE *_stream)                              );
 122 _PROTOTYPE( int feof, (FILE *_stream)                                   );
 123 _PROTOTYPE( int ferror, (FILE *_stream)                                 );
 124 _PROTOTYPE( void perror, (const char *_s)                               );
 125 _PROTOTYPE( int __fillbuf, (FILE *_stream)                              );
 126 _PROTOTYPE( int __flushbuf, (int _c, FILE *_stream)                     );
 127
 128 #define getchar()       getc(stdin)
 129 #define putchar(c)      putc(c,stdout)
 130 #define getc(p)         (--(p)->_count >= 0 ? (int) (*(p)->_ptr++) : \
 131                                 __fillbuf(p))
 132 #define putc(c, p)      (--(p)->_count >= 0 ? \
 133                          (int) (*(p)->_ptr++ = (c)) : \
 134                          __flushbuf((c),(p)))
 135
 136 #define feof(p)         (((p)->_flags & _IOEOF) != 0)
 137 #define ferror(p)       (((p)->_flags & _IOERR) != 0)
 138 #define clearerr(p)     ((p)->_flags &= ~(_IOERR|_IOEOF))
 139
 140 #ifdef _POSIX_SOURCE
 141 _PROTOTYPE( int fileno, (FILE *_stream)                                 );
 142 _PROTOTYPE (FILE *fdopen, (int _fildes, const char *_types) );
 143 #define fileno(stream)          ((stream)->_fd)
 144 #define L_ctermid 255   /* required by POSIX */
 145 #define L_cuserid 255   /* required by POSIX */
 146 #endif
 147
 148 #ifdef _MINIX
 149 _PROTOTYPE(FILE *popen, (const char *_command, const char *_type));
 150 _PROTOTYPE(int pclose, (FILE *_stream));
 151 _PROTOTYPE(int snprintf, (char *_s, size_t _n, const char *_format, ...));
 152 _PROTOTYPE(int vsnprintf, (char *_s, size_t _n, const char *_format,
 153                                                         char *_arg)     );
 154 #endif
 155
 156 #endif /* _STDIO_H */