#line 1/*QED 3 0012 */
/*
 *
 *  STDIO.H         Standard i/o include file
 *
 */

#ifndef STDIO_H
#define     STDIO_H

#include <stddef.h>
/*- #include <types.h> -*/

#define     _COOKIE(s)  gemdos(9,"<");gemdos(9,s);gemdos(9,">\r\n")

/*
 * the function pointed to by <_userexit> is called automaticaly
 * at the end of the program by exit()
 * --Holger
 */
extern void (*_userexit)();
#define at_exit(a) _userexit = (a)


/*
 *  CONSTANTS:
 */

#define     _NFILE      (20)        /* maximum number of open streams */
#define     OPEN_MAX    _NFILE      /* ANSI equivalent (replaces _NFILE) */
#define     FILENAME_MAX    (128)       /* maximum filename size */
#define     BUFSIZ      (1024)      /* default buffer size */
#define     EOF         (-1)        /* end-of-file indicator */
#define     EOS         '\0'        /* end-of-string indicator */

#define     EXIT_FAILURE    (-1)        /* failure return value for exit() */
#define     EXIT_SUCCESS    (0)         /* success return value for exit() */

#define     RAND_MAX    (0x7FFF)    /* maximum value from rand() */

#ifndef FALSE
#define     FALSE       (0)         /* boolean false */
#define     TRUE        (!FALSE)    /* boolean true */
#endif

#ifndef ERROR
#define     ERROR       (-1)        /* general error condition */
#endif

/* lseek() origins */
#define     SEEK_SET    0       /* from beginning of file */
#define     SEEK_CUR    1       /* from current location */
#define     SEEK_END    2       /* from end of file */

/* cfg_ch() control flags */
#define     _CIOB       0x01        /* use bios rather than gemdos */
#define     _CIOCH      0x02        /* return only 8-bit values */
#define     _CIOVT      0x04        /* process vt52 escape codes */

/* FILE structure flags */
#define     _IOREAD         0x0001      /* file may be read from */
#define     _IOWRT      0x0002      /* file may be written to */
#define     _IOBIN      0x0004      /* file is in "binary" mode */
#define     _IODEV      0x0008      /* file is a character device */
#define     _IORW       0x0080      /* last i/o was 0:read/1:write */
#define     _IOFBF      0x0100      /* i/o is fully buffered */
#define     _IOLBF      0x0100      /* i/o is line buffered */
#define     _IONBF      0x0400      /* i/o is not buffered */
#define     _IOMYBUF    0x0800      /* standard buffer */
#define     _IOEOF      0x1000      /* EOF has been reached */
#define     _IOERR      0x4000      /* an error has occured */

typedef     struct          /* FILE structure */
    {
    int         _cnt;       /* # of bytes in buffer */
    unsigned char   *_ptr;      /* current buffer pointer */
    unsigned char   *_base;         /* base of file buffer */
    unsigned int    _flag;      /* file status flags */
    int         _file;      /* file handle */
    int         _bsiz;      /* buffer size */
    unsigned char   _ch;        /* tiny buffer, for "unbuffered" i/o */
    }
    FILE;

#define     L_tmpnam    128
#define     TMP_MAX         1000

extern  char    *etext;
extern  char    *edata;
extern  char    *end;

extern  void    _exit();
extern  long    gemdos();
extern  long    bios();
extern  long    xbios();
extern  int     bdos();

extern  FILE    _iob[];
extern  FILE    *fopen(), *fdopen(), *freopen(), *fopenp();
extern  long    ftell(), fsize();
extern  void    rewind(), setbuf(), setvbuf();
extern  char    *fgets(), *gets(), *tmpnam(), *tempnam(), *malloc();
extern  char    *fullpath(), *findfile(), *pfindfile(), *wildcard();

/* standard streams */
#define stdin   (&_iob[0])
#define stdout  (&_iob[1])
#define stderr  (&_iob[2])
#define stdprn  (&_iob[3])
#define stdaux  (&_iob[4])

/* stream macros */
#define clearerr(fp)    ((void) ((fp)->_flag &= ~(_IOERR|_IOEOF)))
#define feof(fp)    ((fp)->_flag & _IOEOF)
#define ferror(fp)  ((fp)->_flag & _IOERR)
#define fileno(fp)  ((fp)->_file)

/* compatibility macros */
#define     srand(seed)         /* no random seeding required */
#define     sync()          /* sync() not possible, no operation */

/* aliases */
#define     getc            fgetc
#define     ungetc          fungetc
#define     putc            fputc
#define     getchar()       fgetc(stdin)
#define     ungetchar(c)        fungetc((c),stdin)
#define     putchar(c)      fputc((c),stdout)
#define     fexists             exists
#define     exists(f)       access(f,0x00)
#define     unlink          remove
#define     forkv(prog,args)    forkve(prog,args,NULL)
#define     forkvp(prog,args)   forkvpe(prog,args,NULL)

#endif STDIO_H