ref: a4fac35c95345ecbf5bd14d19a5e878e14b2b474
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;