share/man/tools/pages.c

   1 /*      $NetBSD$        */
   2
   3 #include <stdio.h>
   4
   5 #define T_INIT  0100
   6 #define T_STOP  0111
   7
   8 long    charin;                 /* number of input character */
   9
  10 main(argc, argv)
  11 char    **argv;
  12 {
  13
  14         int      npages = 0;
  15         register int    c;
  16
  17         while((c=getchar()) != EOF) {
  18                 charin++;
  19                 c &= 0377;
  20                 if(c != T_INIT)
  21                         continue;
  22                 else {
  23                         c=getchar();
  24                         c &= 0377;
  25                         if(c == T_STOP) {
  26                                 npages++;
  27                                 charin++;
  28                         }
  29                 }
  30         }
  31         if(charin<5) {
  32                 fprintf(stderr, "%s: no input\n", argv[0]);
  33                 exit(1);
  34         }
  35         printf("%d\n", npages);
  36 }