alignment

align.c

#include <stdio.h>
int main()
{
    void *p; 
    if (((unsigned long)p) & 15 == 0)
        puts("16 bit aligned");
    if (((unsigned long)p) & 23 == 0)
        puts("24 bit aligned");
    if (((unsigned long)p) & 31 == 0)
        puts("32 bit aligned");

    return 0;
}