extern "C" {
#endif
+#include <features.h>
+
#define __NEED_uid_t
#define __NEED_gid_t
#define __NEED_mode_t
#include <bits/alltypes.h>
-#ifdef _GNU_SOURCE
-#define __ipc_perm_key key
-#define __ipc_perm_seq seq
+#define __ipc_perm_key __key
+#define __ipc_perm_seq __seq
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define __key key
+#define __seq seq
#endif
#include <bits/ipc.h>