shithub: scc

ref: f53e048d3a57eeee135e2d8aa3cd72b7f3dc2711
dir: /src/libc/stdio/fflush.c/

View raw version 
#include <stdio.h>

#include "../libc.h"

#undef fflush

int
fflush(FILE *fp)
{
	int err;

	if (fp)
		return _flsbuf(fp);

	err = 0;
	for (fp = __iob; fp < &__iob[FOPEN_MAX]; ++fp) {
		if ((fp->flags & _IOWRITE) == 0 && _flsbuf(fp))
			err = EOF;
	}
	return err;
}