word_count.c

   1 #include <stdio.h>
   2
   3 #define IN 1
   4 #define OUT 0
   5
   6 main()
   7 {
   8         int c, nl, nw, nc, state;
   9
  10         state = OUT;
  11
  12         nl = nw = nc = 0;
  13         while ((c = getchar()) != EOF)
  14         {
  15                 ++nc;
  16                 if(c == '\n')
  17                         ++nl;
  18                 if(c == ' ' || c == '\n' || c == '\t')
  19                         state = OUT;
  20                 else if(state == OUT)
  21                 {
  22                         state = IN;
  23                         ++nw;
  24                 }
  25         }
  26         printf("%d %d %d\n", nl, nw, nc);
  27 }