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
29
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#include "log_macros.h"

int main(int argc, char* argv[]) {
    
    // Array of int's on the HEAP.
    int num_numbers = 3;

    // Declare a variable called numbers that holds the address of an int.
    // Allocate memory on the heap sufficient for 3 int's
    int* numbers = malloc(sizeof(*numbers) * num_numbers);
    // ∙ sizeof(*numbers) gives you the number of bytes needed to store a variable of the
    //   same type as *numbers.
    // ∙ IOW: sizeof(*numbers) gives you the number of bytes needed to store an int,
    //   because the type of *numbers is int.

    numbers[0] = 10;
    numbers[1] = 11;
    numbers[2] = 12;
    for(int i = 0; i < num_numbers; i++) {
        log_int( numbers[i] );
    }

    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.