— Function: ferret_bool_t fdm_entity_p (fdm_t fdm, ferret_string_t ename)

Return TRUE if ename names an entity on the datamodel. Return FALSE else.

— Function: ferret_bool_t fdm_entity_attribute_p (fdm_t fdm, ferret_string_t ename, ferret_string_t aname)

Return TRUE if aname names an attribute inside the ename entity.