ref: 3c75d277b5d0bdbaff7de7d7c3a9c07a6638b75e dir: /include/bits/arm64/arch/stddef.h/
#ifndef SIZET_ typedef unsigned long size_t; #define SIZET_ #endif #ifndef _PTRDIFF_T typedef long ptrdiff_t; #define _PTRDIFF_T #endif