#include <sys/fcntl.h>
#include <sys/file.h>
#include <unistd.h>
#include <stdio.h>
#include <termio.h>
#include <termios.h>

int main(){

int *px,*py;
int x,y;

x=0xFF;
y=0x73;
px=&x;
py=&y;
printf("x is equal to %d\n",*px);
printf("y is equal to %d\n",*py);
printf("x's adress is %ld\n",&x);
printf("y's address is %ld\n",&y);

x=25;
printf("x is still %d\n",*px);

return(0);

}