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what.c revision 1.3 
      1 /*	$NetBSD: what.c,v 1.3 1994/11/17 06:59:40 jtc 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 #ifndef lint
     37 static char copyright[] =
     38 "@(#) 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
     44 static char sccsid[] = "@(#)what.c	8.1 (Berkeley) 6/6/93";
     45 #endif
     46 static char rcsid[] = "$NetBSD: what.c,v 1.3 1994/11/17 06:59:40 jtc Exp $";
     47 #endif /* not lint */
     48 
     49 #include <stdio.h>
     50 
     51 /*
     52  * what
     53  */
     54 /* ARGSUSED */
     55 main(argc, argv)
     56 	int argc;
     57 	char **argv;
     58 {
     59 	if (!*++argv)
     60 		search();
     61 	else do {
     62 		if (!freopen(*argv, "r", stdin)) {
     63 			perror(*argv);
     64 			exit(1);
     65 		}
     66 		printf("%s\n", *argv);
     67 		search();
     68 	} while(*++argv);
     69 	exit(0);
     70 }
     71 
     72 search()
     73 {
     74 	register int c;
     75 
     76 	while ((c = getchar()) != EOF) {
     77 loop:		if (c != '@')
     78 			continue;
     79 		if ((c = getchar()) != '(')
     80 			goto loop;
     81 		if ((c = getchar()) != '#')
     82 			goto loop;
     83 		if ((c = getchar()) != ')')
     84 			goto loop;
     85 		putchar('\t');
     86 		while ((c = getchar()) != EOF && c && c != '"' &&
     87 		    c != '>' && c != '\n')
     88 			putchar(c);
     89 		putchar('\n');
     90 	}
     91 }
     92