git: 9front

ref: a0dc0a9b1b81655ba2e9fa87f74f07a4fcea825d
dir: /sys/src/libstdio/ferror.c/

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/*
 * pANS stdio -- ferror
 */
#include "iolib.h"
int ferror(FILE *f){
	return f->state==ERR;
}