Index: uspace/lib/c/include/task.h
===================================================================
--- uspace/lib/c/include/task.h	(revision 4805495a910f793f8918c13f029a38a5bb548154)
+++ uspace/lib/c/include/task.h	(revision 1743f8e4f6cec91f83c5d1bb547144cbbc03364d)
@@ -36,4 +36,5 @@
 #define _LIBC_TASK_H_
 
+#include <async.h>
 #include <stdint.h>
 #include <stdarg.h>
@@ -56,6 +57,10 @@
 extern errno_t task_spawnv(task_id_t *, task_wait_t *, const char *path,
     const char *const []);
+extern errno_t task_spawnv_debug(task_id_t *, task_wait_t *, const char *path,
+    const char *const [], async_sess_t **);
 extern errno_t task_spawnvf(task_id_t *, task_wait_t *, const char *path,
     const char *const [], int, int, int);
+extern errno_t task_spawnvf_debug(task_id_t *, task_wait_t *, const char *path,
+    const char *const [], int, int, int, async_sess_t **);
 extern errno_t task_spawn(task_id_t *, task_wait_t *, const char *path, int,
     va_list ap);