diff --git a/libsepol/include/sepol/nodes.h b/libsepol/include/sepol/nodes.h
index 1e0ac4f..6fa534e 100644
--- a/libsepol/include/sepol/nodes.h
+++ b/libsepol/include/sepol/nodes.h
@@ -4,6 +4,9 @@
 #include <sepol/handle.h>
 #include <sepol/policydb.h>
 #include <sepol/node_record.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
 
 /* Return the number of nodes */
 extern int sepol_node_count(sepol_handle_t * handle,
@@ -37,4 +40,5 @@
 			      int (*fn) (const sepol_node_t * node,
 					 void *fn_arg), void *arg);
 
+__END_DECLS
 #endif