/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #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);}