2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1980, 1988, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
37 static const char copyright[] =
38 "@(#) Copyright (c) 1980, 1988, 1993\n\
39 The Regents of the University of California. All rights reserved.\n";
43 static const char sccsid[] = "@(#)what.c 8.1 (Berkeley) 6/6/93";
52 static void usage(void);
53 static bool search(bool, bool, FILE *);
56 main(int argc, char *argv[])
60 bool found, qflag, sflag;
63 qflag = sflag = false;
65 while ((c = getopt(argc, argv, "qs")) != -1) {
83 if (search(sflag, qflag, stdin))
88 in = fopen(file, "r");
95 printf("%s:\n", file);
96 if (search(sflag, qflag, in))
107 fprintf(stderr, "usage: what [-qs] [file ...]\n");
112 search(bool one, bool quiet, FILE *in)
119 while ((c = getc(in)) != EOF) {
122 if ((c = getc(in)) != '(')
124 if ((c = getc(in)) != '#')
126 if ((c = getc(in)) != ')')
130 while ((c = getc(in)) != EOF && c && c != '"' &&
131 c != '>' && c != '\\' && c != '\n')