usr/src/bin/echo/echo.c

/*
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)echo.c      5.3 (Berkeley) 5/31/90";
#endif /* not lint */

#include <stdio.h>

/* ARGSUSED */
main(argc, argv)
        int argc;
        char **argv;
{
        int nflag;

        ++argv;
        if (!strcmp(*argv, "-n")) {
                ++argv;
                nflag = 1;
        }
        else
                nflag = 0;

        while (*argv) {
                (void)printf("%s", *argv);
                if (*++argv)
                        putchar(' ');
        }
        if (!nflag)
                putchar('\n');
        exit(0);
}