external/bsd/flex/dist/examples/fastwc/mywc.c

   1 /*      $NetBSD: mywc.c,v 1.1.1.1 2009/10/26 00:28:34 christos Exp $    */
   2
   3 /* A simple but fairly efficient C version of the Unix "wc" tool */
   4
   5 #include <stdio.h>
   6 #include <ctype.h>
   7
   8 main()
   9 {
  10         register int c, cc = 0, wc = 0, lc = 0;
  11         FILE *f = stdin;
  12
  13         while ((c = getc(f)) != EOF) {
  14                 ++cc;
  15                 if (isgraph(c)) {
  16                         ++wc;
  17                         do {
  18                                 c = getc(f);
  19                                 if (c == EOF)
  20                                         goto done;
  21                                 ++cc;
  22                         } while (isgraph(c));
  23                 }
  24                 if (c == '\n')
  25                         ++lc;
  26         }
  27 done:   printf( "%8d%8d%8d\n", lc, wc, cc );
  28 }