OPENSSL_SYS_WIN64
#if defined(_WIN64) || defined(OPENSSL_SYS_WIN64)
#if !defined(OPENSSL_SYS_WIN64)
#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN64) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)