const COMP_METHOD *SSL_get_current_compression(SSL *s);
const COMP_METHOD *SSL_get_current_expansion(SSL *s);
const char *SSL_COMP_get_name(const COMP_METHOD *comp);
+STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
int SSL_get_fd(SSL *s);
int SSL_get_rfd(SSL *s);