ref: a5cc4b7b763e9587dd1d91bd9214df6d6fcc1217
dir: /lib/c/include/bits/i386-sysv/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