4.3BSD - /usr/src/ucb/what.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: char copyright[] =
   9: "@(#) Copyright (c) 1980 Regents of the University of California.\n\
  10:  All rights reserved.\n";
  11: #endif not lint
  12: 
  13: #ifndef lint
  14: static char sccsid[] = "@(#)what.c	5.1 (Berkeley) 5/31/85";
  15: #endif not lint
  16: 
  17: #include <stdio.h>
  18: 
  19: /*
  20:  * what
  21:  */
  22: 
  23: char    *infile = "Standard input";
  24: 
  25: main(argc, argv)
  26:     int argc;
  27:     char *argv[];
  28: {
  29: 
  30:     argc--, argv++;
  31:     do {
  32:         if (argc > 0) {
  33:             if (freopen(argv[0], "r", stdin) == NULL) {
  34:                 perror(argv[0]);
  35:                 exit(1);
  36:             }
  37:             infile = argv[0];
  38:             printf("%s\n", infile);
  39:             argc--, argv++;
  40:         }
  41:         fseek(stdin, (long) 0, 0);
  42:         find();
  43:     } while (argc > 0);
  44:     exit(0);
  45: }
  46: 
  47: find()
  48: {
  49:     static char buf[BUFSIZ];
  50:     register char *cp;
  51:     register int c, cc;
  52:     register char *pat;
  53: 
  54: contin:
  55:     while ((c = getchar()) != EOF)
  56:         if (c == '@') {
  57:             for (pat = "(#)"; *pat; pat++)
  58:                 if ((c = getchar()) != *pat)
  59:                     goto contin;
  60:             putchar('\t');
  61:             while ((c = getchar()) != EOF && c && c != '"' &&
  62:                 c != '>' && c != '\n')
  63:                 putchar(c);
  64:             putchar('\n');
  65:         }
  66: }

Defined functions

Defined variables