#ifndef STDIO_H
#define STDIO_H
#include <stdarg.h>
#include <stdlib.h>
typedef unsigned int off_t;
int putchar(int);
int puts(const char *);
int sprintf(char *buf, const char *fmt, ...);
int vsprintf(char *buf, const char *fmt, va_list args);
int printf(const char *fmt, ...);
#define stdin 0
#define stdout 1
#define stderr 2
#define EOF (-1)
#define fprintf(x, y, ...) printf(y, ## __VA_ARGS__)
#endif /* STDIO_H */