ref: 3c6c5a02710e4d7a3da6121e9bfb8d2bc0d786dd
dir: /src/libc/stdlib/malloc.h/
/* minimum amount of required units */
#define NALLOC 16
typedef union header Header;
union header {
struct hdr {
Header *next;
size_t size;
} h;
/* most restrictive type fixes the union size for alignment */
_ALIGNTYPE most;
};
extern void *_prevchunk(Header *);
extern Header *_freep;