#include <stdio.h>

#define MAX 3

int GLOBAL_COUNT = MAX;

void contador();

int main() {
    for(int i = 0; i <= 7; i++) {
    	contador();
    }
    return 0;
}

void contador() {
    if (GLOBAL_COUNT <= 0) {
    	GLOBAL_COUNT = MAX;
    }
    printf("chamada: %d/%d\n", GLOBAL_COUNT, MAX);
    GLOBAL_COUNT--;
}