git: 9front

ref: d59d9c3e2533a60034e4b8c2c3a21a60ce4aef99
dir: /sys/src/ape/lib/v/error.c/

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#define _POSIX_SOURCE
#define _RESEARCH_SOURCE
#include <error.h>
#include <stdio.h>
#include <libv.h>

char *_progname;

void
_perror(char *s)
{
	fprintf(stderr, "%s: ", _progname);
	perror(s);
}