Index: uspace/lib/c/include/vfs/vfs.h
===================================================================
--- uspace/lib/c/include/vfs/vfs.h	(revision 23c8acd9c09f549990f7478985878578dc75e2f3)
+++ uspace/lib/c/include/vfs/vfs.h	(revision 2591a10ee3228dd6b71d84ece62984136397d48e)
@@ -104,5 +104,5 @@
 extern int vfs_pass_handle(async_exch_t *, int, async_exch_t *);
 extern int vfs_put(int);
-extern ssize_t vfs_read(int, aoff64_t *, void *, size_t);
+extern int vfs_read(int, aoff64_t *, void *, size_t, size_t *);
 extern int vfs_read_short(int, aoff64_t, void *, size_t, ssize_t *);
 extern int vfs_receive_handle(bool);
@@ -121,5 +121,5 @@
 extern int vfs_unmount_path(const char *);
 extern int vfs_walk(int, const char *, int);
-extern ssize_t vfs_write(int, aoff64_t *, const void *, size_t);
+extern int vfs_write(int, aoff64_t *, const void *, size_t, size_t *);
 extern int vfs_write_short(int, aoff64_t, const void *, size_t, ssize_t *);