1002_pointer2

#include <stdio.h>

int main(void)
{
    int i;
    char string1[20] = "Dreams come true!", string2[20], *ptr1, *ptr2;

    ptr1 = string1;
    printf("\n string1의 주소 = %u \t ptr1 = %u", string1, ptr1);
    printf("\n string1 = %s \n ptr1 = %s", string1, ptr1);
    printf("\n\n %s", ptr1 + 7);
    ptr2 = &string1[7];
    printf("\n %s \n\n ", ptr2);

    for (i = 16; i >= 0; i--) {
        putchar(*(ptr1 + i));
    }
    for (i = 0; i < 20; i++) {
        string2[i] = *(ptr1 + i);
    }
    printf("\n\n string1 = %s", string1);
    printf("\n string2 = %s", string2);

    *ptr1 = 'P';
    *(ptr1 + 1) = 'e';
    *(ptr1 + 2) = 'a';
    *(ptr1 + 3) = 'c';
    *(ptr1 + 4) = 'e';
    printf("\n\n string1 = %s\n", string1);

    return 0;
}