Protect splay.h from multiple inclusion

diff --git a/include/splay.h b/include/splay.h
index 4f885a00c08d2456fe9790414da1a83c429cebb4..ad99b5bf0895c66e47e0a0d8a37fe35cf0d44a33 100644 (file)
--- a/include/splay.h
+++ b/include/splay.h
@@ -1,7 +1,9 @@
 /*
- * $Id: splay.h,v 1.8 1999/10/04 05:04:49 wessels Exp $
+ * $Id: splay.h,v 1.9 2001/01/07 14:44:32 hno Exp $
  */
 
+#ifndef _SPLAY_H
+#define _SPLAY_H
 
 typedef struct _splay_node {
     void *data;
@@ -19,3 +21,5 @@ extern splayNode *splay_insert(void *, splayNode *, SPLAYCMP *);
 extern splayNode *splay_splay(const void *, splayNode *, SPLAYCMP *);
 extern void splay_destroy(splayNode *, SPLAYFREE *);
 extern void splay_walk(splayNode *, SPLAYWALKEE *, void *);
+
+#endif /* _SPLAY_H */