Index: ossp-pkg/sio/list.h
RCS File: /v/ossp/cvs/ossp-pkg/sio/list.h,v
rcsdiff -q -kk '-r1.1' '-r1.2' -u '/v/ossp/cvs/ossp-pkg/sio/list.h,v' 2>/dev/null
--- list.h	2002/10/18 08:57:34	1.1
+++ list.h	2002/10/18 10:21:41	1.2
@@ -29,6 +29,9 @@
 **  list.h: generic double-linked list macros
 */
 
+#ifndef __LIST_H__
+#define __LIST_H__
+
 #define LIST(elem) \
     struct { elem *head, *tail; }
 #define NODE(elem) \
@@ -158,3 +161,5 @@
 #define FOREACHR(q,l,n)   for (n = TAIL(q,l); n; n = PREV(n,l))
 #define FOREACHD(q,l,n,r) for (n = TAIL(q,l); n && (r = PREV(n,l), 1); n = r)
 
+#endif /* __LIST_H__ */
+