1 #ifndef STDIO_H 2 #define STDIO_H 3 4 #include <stdarg.h> 5 #include <stdlib.h> 6 7 typedef unsigned int off_t; 8 9 int putchar(int); 10 int puts(const char *); 11 int sprintf(char *buf, const char *fmt, ...); 12 int vsprintf(char *buf, const char *fmt, va_list args); 13 int printf(const char *fmt, ...); 14 15 #define stdin 0 16 #define stdout 1 17 #define stderr 2 18 19 #define EOF (-1) 20 21 #define fprintf(x, y, ...) printf(y, ## __VA_ARGS__) 22 23 #endif /* STDIO_H */ 24