ex.1.11.c

/*
Exercice 1.11

How would you test the word count program? What kinds of input are most likely to uncover bugs
if there are any?

NOTE: It's all on you)
*/

#define IN 1
#define OUT 0

#include <stdio.h>

int main(){
    int c, nl, nw, nc, state;
    state = OUT;
    nl = nw = nc = 0;

    while ((c = getchar()) != EOF) {
        nc++;
        if(c == '\n')
            nl++;
        if(c == ' ' || c == '\n' || c == '\t')
            state = OUT;
        else if (state == OUT){
            state = IN;
            nw++;
        }
    }

    printf("%d %d %d\n", nl, nw, nc);

    return 0;
}