system("title atoi, atof e atol");

#include <stdio.h>
#include <stdlib.h>

void main(void) {
    system("title atoi, atof e atol");
    int int_r;
    float float_r;
    long long_r;
    int_r   = atoi("7578");
    float_r = atof("75.5");
    long_r  = atol("757L");
    printf("%d\n%.2f\n%ld\n",int_r,float_r,long_r);
    system("pause");
}