#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>

extern struct Heap_Metadata global_heap;

struct Heap_Metadata {
    struct Heap_Block* start;
    size_t size;
};

struct Heap_Block {
    struct Heap_Block* next;
    size_t size;
    bool used;
    void* data;
};

void heap_init();
void* malloc(size_t size);
void free(void *ptr);