ref: f135e0f1a43183e0c25e9ed8dbbe294474c0fc2a
dir: /src/libc/stdlib/malloc.h/
#include <stdlib.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 *hp);