ref: c75d39d84fcaf779903f1e76c1ffebccac2de3cc dir: /include/stddef.h/
#ifndef _STDDEF_H #define _STDDEF_H #include <arch/stddef.h> #ifndef NULL #define NULL ((void *) 0) #endif #define offsetof(st, m) ((size_t)&(((st *)0)->m)) #endif