1*61f28255Scgd /* 2*61f28255Scgd * Copyright (c) 1989 The Regents of the University of California. 3*61f28255Scgd * All rights reserved. 4*61f28255Scgd * 5*61f28255Scgd * Redistribution and use in source and binary forms, with or without 6*61f28255Scgd * modification, are permitted provided that the following conditions 7*61f28255Scgd * are met: 8*61f28255Scgd * 1. Redistributions of source code must retain the above copyright 9*61f28255Scgd * notice, this list of conditions and the following disclaimer. 10*61f28255Scgd * 2. Redistributions in binary form must reproduce the above copyright 11*61f28255Scgd * notice, this list of conditions and the following disclaimer in the 12*61f28255Scgd * documentation and/or other materials provided with the distribution. 13*61f28255Scgd * 3. All advertising materials mentioning features or use of this software 14*61f28255Scgd * must display the following acknowledgement: 15*61f28255Scgd * This product includes software developed by the University of 16*61f28255Scgd * California, Berkeley and its contributors. 17*61f28255Scgd * 4. Neither the name of the University nor the names of its contributors 18*61f28255Scgd * may be used to endorse or promote products derived from this software 19*61f28255Scgd * without specific prior written permission. 20*61f28255Scgd * 21*61f28255Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22*61f28255Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23*61f28255Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24*61f28255Scgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25*61f28255Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26*61f28255Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27*61f28255Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28*61f28255Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29*61f28255Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30*61f28255Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31*61f28255Scgd * SUCH DAMAGE. 32*61f28255Scgd */ 33*61f28255Scgd 34*61f28255Scgd #ifndef lint 35*61f28255Scgd char copyright[] = 36*61f28255Scgd "@(#) Copyright (c) 1989 The Regents of the University of California.\n\ 37*61f28255Scgd All rights reserved.\n"; 38*61f28255Scgd #endif /* not lint */ 39*61f28255Scgd 40*61f28255Scgd #ifndef lint 41*61f28255Scgd static char sccsid[] = "@(#)echo.c 5.4 (Berkeley) 4/3/91"; 42*61f28255Scgd #endif /* not lint */ 43*61f28255Scgd 44*61f28255Scgd #include <stdio.h> 45*61f28255Scgd #include <stdlib.h> 46*61f28255Scgd #include <string.h> 47*61f28255Scgd 48*61f28255Scgd /* ARGSUSED */ 49*61f28255Scgd main(argc, argv) 50*61f28255Scgd int argc; 51*61f28255Scgd char **argv; 52*61f28255Scgd { 53*61f28255Scgd int nflag; 54*61f28255Scgd 55*61f28255Scgd /* This utility may NOT do getopt(3) option parsing. */ 56*61f28255Scgd if (*++argv && !strcmp(*argv, "-n")) { 57*61f28255Scgd ++argv; 58*61f28255Scgd nflag = 1; 59*61f28255Scgd } 60*61f28255Scgd else 61*61f28255Scgd nflag = 0; 62*61f28255Scgd 63*61f28255Scgd while (*argv) { 64*61f28255Scgd (void)printf("%s", *argv); 65*61f28255Scgd if (*++argv) 66*61f28255Scgd putchar(' '); 67*61f28255Scgd } 68*61f28255Scgd if (!nflag) 69*61f28255Scgd putchar('\n'); 70*61f28255Scgd exit(0); 71*61f28255Scgd } 72