Function switch_core_directory_query 

pub unsafe extern "C" fn switch_core_directory_query(
    dh: *mut switch_directory_handle_t,
    base: *mut c_char,
    query: *mut c_char,
) -> switch_status_t

\brief Query a directory handle \param dh a directory handle to use \param base the base to query against \param query a string of filters or query data \return SWITCH_STATUS_SUCCESS if the query is successful