ch1/12.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <ctype.h>
   4
   5 int
   6 main(void)
   7 {
   8         int c;
   9
  10         while ((c = getchar()) != EOF)
  11                 if (isspace(c))
  12                         putchar('\n');
  13                 else
  14                         putchar(c);
  15
  16         return EXIT_SUCCESS;
  17 }