ref: 02c9fc5a321e937c6800e1f81def4a7f2c43696d dir: /project/msvc/unistd.h/
#pragma once #include <io.h> #define W_OK 2 #define access _access #define __builtin_bswap32 _byteswap_ulong #define __builtin_bswap16 _byteswap_ushort