This is implemenations of bin system allocator. It was written to be good example of how allocators works, so it has huge ammount of comments in its implementation. Also it was developed to be portable, so it only requires sbrk() function for allocation and memcpy to copy memory.

All core functions are implemented:

• void *malloc(size_t size);
• void free(void *ptr);
• void *calloc(size_t nmemb, size_t size);
• void *realloc(void *ptr, size_t size);
• void *reallocarray(void *ptr, size_t nmemb, size_t size)