nonstdio.h

这个linux源代码是很全面的~基本完整了~使用c编译的~由于时间问题我没有亲自测试~但就算用来做参考资料也是非常好的

typedef int	FILE;
extern FILE *xmon_stdin, *xmon_stdout;
#define EOF	(-1)
#define stdin	xmon_stdin
#define stdout	xmon_stdout
#define printf	xmon_printf
#define fprintf	xmon_fprintf
#define fputs	xmon_fputs
#define fgets	xmon_fgets
#define putchar	xmon_putchar
#define getchar	xmon_getchar
#define putc	xmon_putc
#define getc	xmon_getc
#define fopen(n, m)	NULL
#define fflush(f)	do {} while (0)
#define fclose(f)	do {} while (0)
extern char *fgets(char *, int, void *);
extern void xmon_printf(const char *, ...);
extern void xmon_fprintf(void *, const char *, ...);
extern void xmon_sprintf(char *, const char *, ...);

#define perror(s)	printf("%s: no files!\n", (s))