ref: 89e72c2d2d478536697490f2427a2d429ce72983
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