ref: 1ec4d62ccec0872d1ecc64f6834e5ea8d36f7a1f
dir: /lib/c/include/bits/amd64-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