Index: uspace/lib/c/include/event.h
===================================================================
--- uspace/lib/c/include/event.h	(revision c6f087267a5341520c2f7f049eae7b1a387ecb14)
+++ uspace/lib/c/include/event.h	(revision 26fbb7bb55973f371e4f7dd97f935b295e1fd3cb)
@@ -37,7 +37,10 @@
 
 #include <abi/ipc/event.h>
+#include <libarch/types.h>
 
 extern int event_subscribe(event_type_t, sysarg_t);
+extern int event_task_subscribe(event_task_type_t, sysarg_t);
 extern int event_unmask(event_type_t);
+extern int event_task_unmask(event_task_type_t);
 
 #endif