C - The C Answer (2nd Edition) - Exercise 1-8

/*
Write a program to count blanks, tabs, and newlines.
*/

#include <stdio.h>

/* count blanks, tabs, and newlines */
main()
{
	int c, nb, nt, nl;

	nb = 0; /* number of blanks     */
	nt = 0; /* number of tabs       */
	nl = 0; /* number of newlines   */
	while((c = getchar()) != EOF)
	{
		if(c == ' ')
		{
			++nb;
		}
		if(c == '\t')
		{
			++nt;
		}
		if(c == '\n')
		{
			++nl;
		}
	}
    printf("%d %d %d\n", nb, nt, nl);
}