1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

int main(int argc, char* argv[]) {
    int array[] = { 7, 8, 9, 10 };
    printf("array[0] == %d\n", array[0]);
    printf("*array   == %d\n", *array);

    int* a_array0 = &(array[0]);
    printf("*a_array0 == %d\n", *a_array0);
    printf("a_array0[0] == %d\n", a_array0[0]);

    // Add to an address
    int* a_array1 = a_array0 + 1;
    printf("a_array0[1] == %d\n", a_array0[1]);
    printf("*a_array1 == %d\n", *a_array1);
    // When we add to an address, we add in increments of the size of the target type.
    // Since the target type of a_array1 is int, then we add in increments of 4 bytes.

    int* a_array2 = a_array0 + 2;
    printf("a_array0[2] == %d\n", a_array0[2]);
    printf("*a_array2 == %d\n", *a_array2);

    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

© Copyright 2022 Alexander J. Quinn         This content is protected and may not be shared, uploaded, or distributed.