#include <stdio.h> #define T_INIT 0100 #define T_STOP 0111 main(argc, argv) char **argv; { register int npages = 0; /* number of pages */ register long charin = 0; /* number of input character */ register int c; /* the character gotten */ while((c=getchar()) != EOF) { charin++; c &= 0377; if(c != T_INIT) continue; else { c=getchar(); c &= 0377; if(c == T_STOP) { npages++; charin++; } } } if(charin<5) { fprintf(stderr, "%s: no input\n", argv[0]); exit(1); } printf("%d\n", npages); } /* @(#)pages.c 5.2 of 5/19/82 */