git: 9front

ref: 81f47c785fc35d3b67401ccb2865ce5945efcdb2
dir: /sys/src/libstdio/clearerr.c/

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/*
 * pANS stdio -- clearerr
 */
#include "iolib.h"
void clearerr(FILE *f){
	switch(f->state){
	case ERR:
		f->state=f->buf?RDWR:OPEN;
		break;
	case END:
		f->state=RDWR;
		break;
	}
}