shichao-an/apue_setbuf.h

## apue_setbuf.h
#include <stdio.h>

void setbuf(FILE *restrict fp, char *restrict buf );
int setvbuf(FILE *restrict fp, char *restrict buf, int mode, size_t size);

/* Returns: 0 if OK, nonzero on error */
	#include <stdio.h>

	void setbuf(FILE restrict fp, char restrict buf );
	int setvbuf(FILE restrict fp, char restrict buf, int mode, size_t size);

	/* Returns: 0 if OK, nonzero on error */