SysIII/usr/src/man/tools/pages.c

# include "stdio.h"

# define T_INIT	0100
# define T_STOP	0111

long	charin;			/* number of input character */


main(argc, argv)
char	**argv;
{

	int	npages = 0;
	register int	c;

	while((c=getchar()) != EOF) {
		charin++;
		if(c != T_INIT) continue;
		else if((c=getchar()) == T_STOP) {
			npages++;
			charin++;
		}
	}
	if (charin<5) {
		fprintf(stderr,"%s: no input\n",argv[0]);
		exit(1);
	}
	++npages;
	printf("%d\n",npages);
}