* @(#)queue.h 8.5 (Berkeley) 8/20/94
*/
-#ifndef _SYS_QUEUE_H_
-#define _SYS_QUEUE_H_
+#pragma once
/*
* This file defines five types of data structures: singly-linked lists,
_Q_INVALIDATE((elm)->field.cqe_prev); \
_Q_INVALIDATE((elm)->field.cqe_next); \
} while (0)
-
-#endif /* !_SYS_QUEUE_H_ */