Index: kernel/generic/include/proc/thread.h
===================================================================
--- kernel/generic/include/proc/thread.h	(revision deacd722f7dca626637926215ebe69ffd2fd67f5)
+++ kernel/generic/include/proc/thread.h	(revision a3f63ac154a8851b99a2cdc01fb73050f4b9ca43)
@@ -265,8 +265,8 @@
 
 /* Thread syscall prototypes. */
-extern sys_errno_t sys_thread_create(uspace_arg_t *, char *, size_t,
-    thread_id_t *);
+extern sys_errno_t sys_thread_create(uspace_ptr_uspace_arg_t, uspace_ptr_char, size_t,
+    uspace_ptr_thread_id_t);
 extern sys_errno_t sys_thread_exit(int);
-extern sys_errno_t sys_thread_get_id(thread_id_t *);
+extern sys_errno_t sys_thread_get_id(uspace_ptr_thread_id_t);
 extern sys_errno_t sys_thread_usleep(uint32_t);
 extern sys_errno_t sys_thread_udelay(uint32_t);