ref: 8e3aa834b79499d2a5f4d81cc9644e82d7228ad8
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;