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

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