#ifndef _SYS_QUEUE_H_
#define _SYS_QUEUE_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/*
* This file defines five types of data structures: singly-linked lists,
* lists, simple queues, tail queues and XOR simple queues.
} \
} while (0)
+#ifdef __cplusplus
+}
+#endif
+
#endif /* !_SYS_QUEUE_H_ */