what.c revision 1.2 
1/*
2 * Copyright (c) 1980, 1988 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35char copyright[] =
36"@(#) Copyright (c) 1980, 1988 Regents of the University of California.\n\
37 All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41/*static char sccsid[] = "from: @(#)what.c	5.5 (Berkeley) 3/2/91";*/
42static char rcsid[] = "$Id: what.c,v 1.2 1993/08/01 18:03:02 mycroft Exp $";
43#endif /* not lint */
44
45#include <stdio.h>
46
47/*
48 * what
49 */
50/* ARGSUSED */
51main(argc, argv)
52	int argc;
53	char **argv;
54{
55	if (!*++argv)
56		search();
57	else do {
58		if (!freopen(*argv, "r", stdin)) {
59			perror(*argv);
60			exit(1);
61		}
62		printf("%s\n", *argv);
63		search();
64	} while(*++argv);
65	exit(0);
66}
67
68search()
69{
70	register int c;
71
72	while ((c = getchar()) != EOF) {
73loop:		if (c != '@')
74			continue;
75		if ((c = getchar()) != '(')
76			goto loop;
77		if ((c = getchar()) != '#')
78			goto loop;
79		if ((c = getchar()) != ')')
80			goto loop;
81		putchar('\t');
82		while ((c = getchar()) != EOF && c && c != '"' &&
83		    c != '>' && c != '\n')
84			putchar(c);
85		putchar('\n');
86	}
87}
88