/*! Restack a window based upon a sibling (or all windows) in various ways.
@param client The client to be restacked
@param sibling Another client to compare to, or NULL to compare to all
windows
@param detail One of Above, Below, TopIf, BottomIf, Opposite
/*! Restack a window based upon a sibling (or all windows) in various ways.
@param client The client to be restacked
@param sibling Another client to compare to, or NULL to compare to all
windows
@param detail One of Above, Below, TopIf, BottomIf, Opposite