Function xcb::ffi::xproto::xcb_set_selection_owner

pub unsafe extern "C" fn xcb_set_selection_owner(
    c: *mut xcb_connection_t, 
    owner: xcb_window_t, 
    selection: xcb_atom_t, 
    time: xcb_timestamp_t
) -> xcb_void_cookie_t

Sets the owner of a selection

Makes window the owner of the selection selection and updates the last-change time of the specified selection.

TODO: briefly explain what a selection is.