what.c revision 1.6 
1/*	$NetBSD: what.c,v 1.6 1997/10/20 03:16:31 lukem 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 1.6 1997/10/20 03:16:31 lukem 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	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