share/man/tools/pages.c

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