Addresses

A pointer stores the address of another object.

addresses.c

#include <stdio.h>

int main(void) {
    int value = ;
    int *ptr = &value;
    int same = (*ptr == value);

    printf("same=%d\n", same);
    return 0;
}

#include <stdio.h>

int main(void) {
    int value = ;
    int *ptr = &value;
    int same = (*ptr == value);

    printf("same=%d\n", same);
    return 0;
}

#include <stdio.h>

int main(void) {
    int value = ;
    int *ptr = &value;
    int same = (*ptr == value);

    printf("same=%d\n", same);
    return 0;
}

address-of The `&` operator produces the address where a variable is stored.

pointer value An `int *` variable can hold the address of an `int`.