1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | #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 a buffer on the heap sufficient to hold an int (i.e., object of the same
// size as *a_n), and assign the address of that buffer to a_n.
*a_n = 5; // Write 5 at address a_n.
printf("*a_n == %d\n", *a_n); // Print the value at address a_n.
free(a_n); // no asterisk because this is just the adddress of the buffer to free.
// Free (deallocate) the buffer that begins at address a_n.
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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