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Sepp J Morris 31738079c4 Upload
Digital Research
2020-11-06 18:50:37 +01:00

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/*****************************************************************************
*
* C P / M C H E A D E R F I L E
* -----------------------------------
* Copyright 1982,83 by Digital Research Inc. All rights reserved.
*
* This is the standard include file for the CP/M C Run Time Library.
*
*****************************************************************************/
/* */
#include <portab.h> /* Portability Definitions */
/* */
/****************************************************************************
* Stream I/O File Definitions
*****************************************************************************/
#define BUFSIZ 512 /* Standard (ascii) buf size */
#define MAXFILES 16 /* Max # open files ( < 32 ) */
struct _iobuf { /* */
WORD _fd; /* file descriptor for low level io */
WORD _flag; /* stream info flags */
BYTE *_base; /* base of buffer */
BYTE *_ptr; /* current r/w pointer */
WORD _cnt; /* # chars to be read/have been wrt */
}; /* */
#ifndef FILE /* conditionally include: */
extern struct _iobuf _iob[MAXFILES]; /* an array of this info */
#define FILE struct _iobuf /* stream definition */
#endif /************************************/
#define NULLFILE ((FILE *)0) /* Null return values */
/* flag byte definition */
#define _IOREAD 0x01 /* readable file */
#define _IOWRT 0x02 /* writeable file */
#define _IOABUF 0x04 /* alloc'd buffer */
#define _IONBUF 0x08 /* no buffer */
#define _IOERR 0x10 /* error has occurred */
#define _IOEOF 0x20 /* EOF has occurred */
#define _IOLBUF 0x40 /* handle as line buffer */
#define _IOSTRI 0x80 /* this stream is really a string */
#define _IOASCI 0x100 /* this was opened as an ascii file */
/************************************/
#define stdin (&_iob[0]) /* standard input stream */
#define stdout (&_iob[1]) /* " output " */
#define stderr (&_iob[2]) /* " error " */
/************************************/
#define clearerr(p) ((p)->_flag &= ~_IOERR) /* clear error flag */
#define feof(p) ((p)->_flag & _IOEOF) /* EOF encountered on stream */
#define ferror(p) ((p)->_flag & _IOERR) /* error encountered on stream */
#define fileno(p) ((p)->_fd) /* get stream's file descriptor */
#define getchar() getc(stdin) /* get char from stdin */
#define putchar(c) putc(c,stdout) /* put char to stdout */
#define putc fputc
#define getc fgetc
/****************************************************************************/
/* */
/* M A C R O S */
/* ----------- */
/* */
/* Define some stuff as macros .... */
/* */
/****************************************************************************/
#define abs(x) ((x) < 0 ? -(x) : (x)) /* Absolute value function */
#define MAX(x,y) (((x) > (y)) ? (x) : (y)) /* Max function */
#define MIN(x,y) (((x) < (y)) ? (x) : (y)) /* Min function */
#define max(x,y) (((x) > (y)) ? (x) : (y)) /* Max function */
#define min(x,y) (((x) < (y)) ? (x) : (y)) /* Min function */
/*************************** end of stdio.h *********************************/
***************** end of stdio.h *********************************/
***************** end of stdio.h *********************************/