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Annotation of 43BSDReno/usr.bin/what/what.c, revision 1.1

1.1     ! root        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 are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: char copyright[] =
        !            22: "@(#) Copyright (c) 1980, 1988 Regents of the University of California.\n\
        !            23:  All rights reserved.\n";
        !            24: #endif /* not lint */
        !            25: 
        !            26: #ifndef lint
        !            27: static char sccsid[] = "@(#)what.c     5.4 (Berkeley) 6/1/90";
        !            28: #endif /* not lint */
        !            29: 
        !            30: #include <stdio.h>
        !            31: 
        !            32: /*
        !            33:  * what
        !            34:  */
        !            35: /* ARGSUSED */
        !            36: main(argc, argv)
        !            37:        int argc;
        !            38:        char **argv;
        !            39: {
        !            40:        if (!*++argv) 
        !            41:                search();
        !            42:        else do {
        !            43:                if (!freopen(*argv, "r", stdin)) {
        !            44:                        perror(*argv);
        !            45:                        exit(1);
        !            46:                }
        !            47:                printf("%s\n", *argv);
        !            48:                search();
        !            49:        } while(*++argv);
        !            50:        exit(0);
        !            51: }
        !            52: 
        !            53: static
        !            54: search()
        !            55: {
        !            56:        register int c;
        !            57: 
        !            58:        while ((c = getchar()) != EOF) {
        !            59: loop:          if (c != '@')
        !            60:                        continue;
        !            61:                if ((c = getchar()) != '(')
        !            62:                        goto loop;
        !            63:                if ((c = getchar()) != '#')
        !            64:                        goto loop;
        !            65:                if ((c = getchar()) != ')')
        !            66:                        goto loop;
        !            67:                putchar('\t');
        !            68:                while ((c = getchar()) != EOF && c && c != '"' &&
        !            69:                    c != '>' && c != '\n')
        !            70:                        putchar(c);
        !            71:                putchar('\n');
        !            72:        }
        !            73: }

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