shithub: riscv

ref: 522f08e5f1a4f16a2cb2016c7b03f86b1eadea30
dir: /sys/src/libstdio/fileno.c/

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/*
 * Posix stdio -- fileno
 */
#include "iolib.h"
int fileno(FILE *f){
	if(f==NULL)
		return -1;
	else
		return f->fd;
}