ref: 7c45822bbc135e3a3a1c4466a7821e40749f3ba6
dir: /include/bits/i386/arch/stddef.h/
#ifndef _SIZET typedef unsigned long size_t; #define _SIZET #endif #ifndef _WCHAR_T typedef int wchar_t; #define _WCHAR_T #endif #ifndef _PTRDIFF_T typedef long ptrdiff_t; #define _PTRDIFF_T #endif