sizeof.c

#include <stdio.h>

int main(int argc, const char *argv[])
{
        printf("sizeof(char) = %lu\n", sizeof(char));
        printf("sizeof(short) = %lu\n", sizeof(short));
        printf("sizeof(int) = %lu\n", sizeof(int));
        printf("sizeof(long) = %lu\n", sizeof(long));
        printf("sizeof(long long) = %lu\n", sizeof(long long));
        printf("sizeof(float) = %lu\n", sizeof(float));
        printf("sizeof(double) = %lu\n", sizeof(double));
        printf("sizeof(long double) = %lu\n", sizeof(long double));
        printf("sizeof(char *) = %lu\n", sizeof(char *));
        printf("sizeof(int *) = %lu\n", sizeof(int *));
        return 0;
}

Hehe. Don't worry about it :).