root/usr/src/cmd/setpgrp/setpgrp.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
        Set process group ID to this process ID and exec the command line
        that is the argument list.
*/


#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>

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

        cmd = *argv;
        if (argc <= 1)  {
                (void) fprintf(stderr, "Usage:  %s command [ arg ... ]\n", cmd);
                exit(1);
        }
        argv++;
        argc--;
        (void) setpgrp();
        (void) execvp(*argv, argv);
        (void) fprintf(stderr, "%s: %s not executed.  ", cmd, *argv);
        perror("");
        return (1);
}