Function xcb::ffi::xproto::xcb_get_selection_owner

pub unsafe extern "C" fn xcb_get_selection_owner(
    c: *mut xcb_connection_t, 
    selection: xcb_atom_t
) -> xcb_get_selection_owner_cookie_t

Gets the owner of a selection

Gets the owner of the specified selection.

TODO: briefly explain what a selection is.