Function gio_sys::g_dbus_connection_new_sync

pub unsafe extern "C" fn g_dbus_connection_new_sync(
    stream: *mut GIOStream, 
    guid: *const c_char, 
    flags: GDBusConnectionFlags, 
    observer: *mut GDBusAuthObserver, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> *mut GDBusConnection