Index: uspace/lib/c/include/task.h
===================================================================
--- uspace/lib/c/include/task.h	(revision 71717609ad839bc0a9376e3b86af0681295db668)
+++ uspace/lib/c/include/task.h	(revision 5b6f8dd368eefacbccc808304147af71adde0e4e)
@@ -37,6 +37,5 @@
 
 #include <sys/types.h>
-
-typedef uint64_t task_id_t;
+#include <abi/proc/task.h>
 
 typedef enum {