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>
// HEAP memory remains allocated until you explicitly deallocate it (i.e., with free(…)).
// This is different stack memory which become invalid after the function returns.
int* malloc_and_initialize_int(int initial_value) {
int* a_new_int = malloc(sizeof(*a_new_int));
*a_new_int = initial_value;
return a_new_int;
}
int main(int argc, char* argv[]) {
int* a_n = malloc_and_initialize_int(5);
printf("*a_n == %d\n", *a_n);
free(a_n);
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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