#include <stdio.h>
#include <stdlib.h>

int main(int argc, char* argv[]) {

    int n = 5;

    int* a_n = &n;
    // Type «int*» means address of an int.
    // a_n is a variable name, which by our custom will mean address of n.
    // &n means "address of n.
    
    printf("  n == %d\n", n);
    printf("a_n == %p\n", (void*)a_n);  // "%p" stands for "address"  :/

    printf("*a_n = %d\n", *a_n);
    // *▒  means "value at ▒."
    // *▒  means "value at ▒."
    // *▒  means "value at ▒."
    
    int m = *a_n;
    printf("  m == %d\n", m);
    int* a_m = &m;
    printf("a_m == %p\n", (void*)a_m);  // "%p" stands for "address"  :/

    return EXIT_SUCCESS;
}
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