#include <stdio.h>
#include <math.h>

void metersToFeetAndInches(double meters, unsigned int *ftPtr, double *inPtr)
{
    double feet;

    double fractionalPart = modf((meters * 3.281), &feet);

    if (ftPtr)
    {
        printf("Storing %f (double feet) to the address %p\n", feet, ftPtr);
        *ftPtr = (int)feet;
    }

    double inches = fractionalPart * 12.0;

    if (inPtr)
    {
        printf("Storing %.2f (double inches) to the address %p\n", inches, inPtr);
        *inPtr = inches;
    }
}

int main(int argc, const char * argv[])
{

    double meters = 3.0;
    unsigned int feet;
    double inches;

    metersToFeetAndInches(meters, &feet, &inches);
    printf("%.1f meters is equal to %d feet and %.1f inches.\n", meters, feet, inches);

    return 0;
}