/* stdio.h 7/4/83 */

#define	BUFSIZ	1024
#define	_NFILE	20
#ifndef FILE
struct	_iobuf {
	int	_fd;		/* File descriptor		*/
	int	_nleft;		/* Bytes remaining in buffer	*/
	char	*_nextp;	/* Pointer to next byte		*/
	char	_flag;		/* Flag denoting I/O status	*/
	char	*_base;		/* Pointer to the I/O buffer	*/
} filebuf[_NFILE];
#endif

#define	FILE struct _iobuf
#define	SECSIZ	128
#define	NSECTS	(BUFSIZ/SECSIZ)

#define NULL	0	/* Value of an empty pointer		*/
#define EOF	(-1)	/* Physical end of file	on stream	*/
#define ERROR	(-1)	/* General "on error" return value	*/
#define CPMEOF 0x1a	/* CP/M LOGICAL End-of-file marker	*/
#define MAXLINE 135	/* Longest line expected from console	*/
#define TRUE 1		/* General purpose true truth value	*/
#define FALSE 0		/* General purpose false truth value 	*/

#define	_IOREAD	01	/* Flag denoting stream open for read	*/
#define	_IOWRT	02	/* Flag denoting stream open for write	*/
#define	_IONBF	04	/* Flag denoting stream is unbuffered	*/
#define	_IOEOF	020	/* End of file has occurred on stream	*/
#define	_IOERR	040	/* Error status during io on stream	*/

#define	stdin		0	/* Standard input channel	*/
#define	stdout		1	/* Standard output channel	*/
#define	stderr		2	/* Standard error channel	*/
#define	DEV_LST		3	/* List Device/Line Printer	*/
#define	DEV_PUN		4	/* Punch Device/Tape output	*/
#define	DEV_RDR		5	/* Reader Device/Tape input	*/

#define	getc(f)		fgetc(f)
#define	putc(c,f)	fputc(c,f)
#define	feof(f)		(((f)->_flag&_IOEOF)!=0)
#define ferror(f)	(((f)->_flag&_IOERR)!=0)
#define	fileno(f)	((f)->_fd)
#define	isatty(f)	((f) >= stdin && (f) <= DEV_PUN)
#define	rewind(f)	(fseek((f), 0, 0))
#define	clrerr(f)	(((f)->_flag&_IOERR)?((f)->_flag &=_IOERR):(0))
#define	clreof(f)	(((f)->_flag&_IOEOF)?((f)->_flag &=_IOEOF):(0))
#define getchar()	fgetc(stdin)
#define	putchar(c)	fputc(c,stdout)

#define	void	int
#define	long	int

void	fputc();
FILE	*fopen();
void	fflush();
char	*fgets();
char	*gets();
void	puts();
void	fputs();
char	*malloc();
char	*calloc();
char	*realloc();
void	setbuf();

#include "fcb.h"
#include "malloc.h"