Function wlc_sys_with_elogind::wlc_set_selection

pub unsafe extern "C" fn wlc_set_selection(
    data: *mut c_void, 
    types: *const *const c_char, 
    types_count: usize, 
    send: Option<unsafe extern "C" fn(_: *mut c_void, _: *const c_char, _: c_int)>
)

Set current default selection source. * The given callback shall send the data for the requested type over the fd and close it then