const char * libssh2_session_methods(LIBSSH2_SESSION *session, int method_type);
method_type - one of the method type constants: LIBSSH2_METHOD_KEX, LIBSSH2_METHOD_HOSTKEY, LIBSSH2_METHOD_CRYPT_CS, LIBSSH2_METHOD_CRYPT_SC, LIBSSH2_METHOD_MAC_CS, LIBSSH2_METHOD_MAC_SC, LIBSSH2_METHOD_COMP_CS, LIBSSH2_METHOD_COMP_SC, LIBSSH2_METHOD_LANG_CS, LIBSSH2_METHOD_LANG_SC.
Returns the actual method negotiated for a particular transport parameter.
LIBSSH2_ERROR_METHOD_NONE - no method has been set