shithub: riscv

ref: 98aefdfc7862e39b7b8fa1aefe9d7af3b676da36
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;
}