what.c revision 1.5
1/* $NetBSD: what.c,v 1.5 1997/10/20 02:31:34 mrg Exp $ */ 2 3/* 4 * Copyright (c) 1980, 1988, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include <sys/cdefs.h> 37#ifndef lint 38__COPYRIGHT("@(#) Copyright (c) 1980, 1988, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40#endif /* not lint */ 41 42#ifndef lint 43#if 0 44static char sccsid[] = "@(#)what.c 8.1 (Berkeley) 6/6/93"; 45#endif 46__RCSID("$NetBSD: what.c,v 1.5 1997/10/20 02:31:34 mrg Exp $"); 47#endif /* not lint */ 48 49#include <stdio.h> 50 51void search __P((void)); 52int main __P((int, char **)); 53 54/* 55 * what 56 */ 57/* ARGSUSED */ 58int 59main(argc, argv) 60 int argc; 61 char **argv; 62{ 63 if (!*++argv) 64 search(); 65 else do { 66 if (!freopen(*argv, "r", stdin)) { 67 perror(*argv); 68 exit(1); 69 } 70 printf("%s\n", *argv); 71 search(); 72 } while(*++argv); 73 exit(0); 74} 75 76void 77search() 78{ 79 register int c; 80 81 while ((c = getchar()) != EOF) { 82loop: if (c != '@') 83 continue; 84 if ((c = getchar()) != '(') 85 goto loop; 86 if ((c = getchar()) != '#') 87 goto loop; 88 if ((c = getchar()) != ')') 89 goto loop; 90 putchar('\t'); 91 while ((c = getchar()) != EOF && c && c != '"' && 92 c != '>' && c != '\n') 93 putchar(c); 94 putchar('\n'); 95 } 96} 97