#ifndef _STDIO_
#define _STDIO_

typedef struct FILE {
	int fd;
	int valid;
	unsigned char *ptr;
	unsigned char *buf;
	int cnt;
	char eof;
	char err;
	} FILE;

#ifdef NOANSI
FILE *fopen();
char *fgets();
char *gets();
#else
#include <stdarg.h>
FILE *fopen(const char *filename,const char *mode);
int fclose(FILE *fp);
void rewind(FILE *fp);
void fflush(FILE *fp);

#if 1 /* these require stdarg.h - but I don't have that yet */
int printf(const char *fmt,...);
int fprintf(FILE *fp,const char *fmt,...);
int sprintf(char *dst,const char *fmt,...);
int fscanf(FILE *fp,const char *fmt,...);
int scanf(const char *fmt,...);
int sscanf(char *str,const char *fmt,...);
#else /* so for now, just use k&r decl */
int printf(),fprintf(),sprintf(),fscanf(),scanf(),sscanf();
#endif

int vprintf(const char *fmt,va_list arg);
int vfprintf(FILE *fp,const char *fmt,va_list arg);
int vsprintf(char *dst,const char *fmt,va_list arg);
int fgetc(FILE *fp);
char *fgets(char *dst,int max,FILE *fp);
int fputc(int c,FILE *fp);
int fputs(const char *s,FILE *fp);
int puts(const char *s);
int ungetc(int c,FILE *fp);

#endif


extern FILE _iob[];

#define getc(p)		((--(p)->cnt>=0)?((int)*(p)->ptr++):_filbuf(p))
#define getchar()	getc(stdin)
#define putchar(x)	putc((x),stdout)
#define stdin 		(&_iob[0])
#define stdout 		(&_iob[1])
#define stderr 		(&_iob[2])
#define fileno(p)	((p)->fd)
#define clearerr(p)	((p)->err=(p)->eof=0)
#define feof(p)		((p)->eof)
#define ferror(p)	((p)->err)

#define OPEN_MAX 8
#define MAXLN 256

#define NULL 0
#define EOF  (-1)

#include <utypes.h>
#endif /* _STDIO_ */