Index: uspace/srv/devman/devman.c
===================================================================
--- uspace/srv/devman/devman.c	(revision 062d9000625057300f609429080872d6492b542e)
+++ uspace/srv/devman/devman.c	(revision 110705072aaee01eaf027896a39f2fb48bff71c3)
@@ -122,6 +122,6 @@
 	.key_hash = handle_key_hash,
 	.key_equal = devman_devices_key_equal,
-	.equal = 0,
-	.remove_callback = 0
+	.equal = NULL,
+	.remove_callback = NULL
 };
 
@@ -130,6 +130,6 @@
 	.key_hash = handle_key_hash,
 	.key_equal = devman_functions_key_equal,
-	.equal = 0,
-	.remove_callback = 0
+	.equal = NULL,
+	.remove_callback = NULL
 };
 
@@ -138,6 +138,6 @@
 	.key_hash = service_id_key_hash,
 	.key_equal = loc_functions_key_equal,
-	.equal = 0,
-	.remove_callback = 0
+	.equal = NULL,
+	.remove_callback = NULL
 };