#ifndef _MEM_H_
#define _MEM_H_

#include <stddef.h>
#include <stdint.h>
#include <sys/mman.h>
#include <stdbool.h>

#define  HEAP_START  ((void*)0x04040000)

#pragma pack(push, 1)
typedef struct mem  {
    struct mem* next;
    size_t capacity;
    bool is_free;
} mem;
#pragma pack(pop)

void* _malloc(size_t);

void  _free(void*);

void *merge_chunk(mem *, mem *);

void mem_init(mem *, size_t);

void *heap_init(size_t);

size_t page_align(size_t);
#endif