/*
 * exec
 */

#include <stdlib.h>
#include <stdio.h>

#include <sys/types.h>
#include <sys/stat.h>

#include <string.h>

#include <unistd.h>

static void do_exec(int skip, int ac, char *av[]) {
	int i;

	if (skip >= ac) {
		fprintf(stderr, "nothing to exec\n");
		exit(EXIT_FAILURE);
	}

	for (i=0;i<ac-skip;i++) {
		av[i] = av[i+skip];
	}
	av[i] = 0;

	if (i = execvp(av[0], av) < 0) {
		fprintf(stderr, "exec returned %d: %s\n", i, strerror(i));
	}
}