@brief Get the list of client windows from a GetProperty _NET_CLIENT_LIST_STACKING reply
@param clients The list of clients contained in the reply @param r GetProperty _NET_CLIENT_LIST_STACKING reply
See Implementation
@brief Get the list of client windows from a GetProperty _NET_CLIENT_LIST_STACKING reply
@param clients The list of clients contained in the reply @param r GetProperty _NET_CLIENT_LIST_STACKING reply