ex_1-12.c

   1 #include <stdio.h>
   2
   3 #define IN 1
   4 #define OUT 0
   5
   6 main()
   7 {
   8
   9         char c;
  10         int spacefound;
  11
  12         while ((c = getchar()) != EOF)
  13         {
  14                 if(c == ' ' || c == '\n' || c == '\t')
  15                 {
  16                         if (spacefound == 0)
  17                         {
  18                                 putchar('\n');
  19                                 spacefound = 1;
  20                         }
  21                 }
  22                 else
  23                 {
  24                         putchar(c);
  25                         spacefound = 0;
  26                 }
  27         }
  28
  29 }