OPENSSL_SYS_VOS
#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_VOS) || defined(OPENSSL_SYS_UEFI)
#if defined(__VOS__) && !defined(OPENSSL_SYS_VOS)
#if defined(OPENSSL_SYS_VOS)