K&R (2.1): Size of types

size.c

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

int main (int argc, char **argv)
{
    signed short i, min, max;

    i = min = max = 0;
    
    while (++i) {
        if (i > max)
            max = i;

        if (i < min)
            min = i;
    }
    
    printf ("min: %d\n", min);
    printf ("Max: %d\n", max);
    printf ("Size: %d byte(s)\n", sizeof(i));
}