__owur int ssl_choose_client_version(SSL *s, int version,
RAW_EXTENSION *extensions);
__owur int ssl_get_min_max_version(const SSL *s, int *min_version,
__owur int ssl_choose_client_version(SSL *s, int version,
RAW_EXTENSION *extensions);
__owur int ssl_get_min_max_version(const SSL *s, int *min_version,