1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
int main(int argc, char* argv[]) {
int* a_n = malloc(sizeof(*a_n));
// ∙ Allocate space in the heap segment sufficient for one int.
// ∙ Declare a variable 'a_n' of type "address of int" and initialize it
// to the address of the newly allocates space on the heap.
*a_n = 5;
// Store (value) 5 at (address) a_n.
printf("*a_n = %d\n", *a_n);
free(a_n);
// Deallocate the heap allocation block that begins at (address) a_n.
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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