git: 9front

ref: a401d8120e5d4e8fdf07fb2b7318b0fe5d2a9d53
dir: /sys/src/libstdio/ferror.c/

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