source: buchla-68k/orig/lib/INCLUDE/STDIO.H@ eee74cd

/*
   =============================================================================
        stdio.h -- Standard I/O Package header for the Buchla 700
        Version 6 -- 1987-10-20 -- D.N. Lynx Crowe
   =============================================================================
*/

#include "fspars.h"             /* file system parameters */

#define NULL    0
#define EOF     -1

#define fgetc   getc
#define fputc   putc

#define _BUSY   0x01
#define _ALLBUF 0x02
#define _DIRTY  0x04
#define _EOF    0x08
#define _IOERR  0x10

typedef struct {

        char    *_bp;           /* current position in buffer */
        char    *_bend;         /* last character in buffer + 1 */
        char    *_buff;         /* address of buffer */
        char    _flags;         /* {_BUSY, _ALLBUF, _DIRTY, _EOF, _IOERR} */
        char    _unit;          /* fd token returned by open */
        char    _bytbuf;        /* single byte buffer for unbuffered streams */
        char    _pad;           /* pad for alignment -- possibly use later */
        int     _buflen;        /* length of buffer */

} FILE;

#ifndef _FS_DEF_

extern  FILE    Cbuffs[NSTREAMS];               /* table of FILE structures */
extern  char    *Stdbufs;                       /* free list of buffers */
extern  long    Stdbuf[MAXDFILE][BUFSIZL];      /* buffers */

#endif

extern  long    ftell();
extern  char    *gets(), *fgets();
extern  FILE    *fopen(), *fopena(), *fopenb();

#define stdin   (&Cbuffs[0])
#define stdout  (&Cbuffs[1])
#define stderr  (&Cbuffs[2])

#define getchar()       getc(stdin)
#define putchar(c)      putc(c, stdout)
#define feof(fp)        (((fp)->_flags & _EOF) != 0)
#define ferror(fp)      (((fp)->_flags & _IOERR) != 0)
#define clearerr(fp)    ((fp)->_flags &= ~(_IOERR | _EOF))
#define fileno(fp)      ((fp)->_unit)

#ifndef O_RDONLY        /* only define these once */

#define O_RDONLY        0x0000  /* Read-only value  */
#define O_WRONLY        0x0001  /* Write-only value */
#define O_RDWR          0x0002  /* Read-write value */

#define O_NDELAY        0x0004  /* Non-blocking I/O flag */
#define O_APPEND        0x0008  /* Append mode flag (write only at end) */

#define O_CREAT         0x0100  /* File creation flag (uses 3rd argument) */
#define O_TRUNC         0x0200  /* File truncation flag */
#define O_EXCL          0x0400  /* Exclusive access flag */

#define O_RAW           0x8000  /* Raw (binary) I/O flag for getc and putc */

#endif