View of /geterror.c

// geterror.c
// Copyright 2005 Jeremy Grosser
// www.runemonkey.com

#include <stdio.h>
#include <errno.h>

int main(int argc, char *argv[])
{
	int num;

	if(argc < 2)
	{
		fprintf(stderr, "Usage: %s <error number>\n", argv[0]);
		return -1;
	}

	num = atoi(argv[1]);
	fprintf(stdout, "%s\n", strerror(num));
	return 0;
}