#include <stdio.h>

itn main (void)
{
char str1[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
char str2[30];
char *p1 = str1.*p2 = str2;

while (*p1 != '\0'){
p1++;
}
while (p1 > str1){

*p2 = *p1;

}
*p2 = '\0';
printf("str1 = %s\n", str1);
printf("str2 = %s\n", str2);

return 0;
}