Index: uspace/lib/c/include/vfs/canonify.h
===================================================================
--- uspace/lib/c/include/vfs/canonify.h	(revision 09ab0a9afc9379f1604c0fd75cac2d9287ba022c)
+++ uspace/lib/c/include/vfs/canonify.h	(revision 43dd2d4bd224eef76be6ddfb6d7228a2edf11ec2)
@@ -33,6 +33,6 @@
  */
 
-#ifndef LIBC_VFS_CANONIFY_H_
-#define LIBC_VFS_CANONIFY_H_
+#ifndef _LIBC_VFS_CANONIFY_H_
+#define _LIBC_VFS_CANONIFY_H_
 
 #include <stddef.h>
Index: uspace/lib/c/include/vfs/inbox.h
===================================================================
--- uspace/lib/c/include/vfs/inbox.h	(revision 09ab0a9afc9379f1604c0fd75cac2d9287ba022c)
+++ uspace/lib/c/include/vfs/inbox.h	(revision 43dd2d4bd224eef76be6ddfb6d7228a2edf11ec2)
@@ -36,6 +36,6 @@
  */
 
-#ifndef LIBC_VFS_INBOX_H_
-#define LIBC_VFS_INBOX_H_
+#ifndef _LIBC_VFS_INBOX_H_
+#define _LIBC_VFS_INBOX_H_
 
 enum {
Index: uspace/lib/c/include/vfs/vfs.h
===================================================================
--- uspace/lib/c/include/vfs/vfs.h	(revision 09ab0a9afc9379f1604c0fd75cac2d9287ba022c)
+++ uspace/lib/c/include/vfs/vfs.h	(revision 43dd2d4bd224eef76be6ddfb6d7228a2edf11ec2)
@@ -33,6 +33,6 @@
  */
 
-#ifndef LIBC_VFS_H_
-#define LIBC_VFS_H_
+#ifndef _LIBC_VFS_H_
+#define _LIBC_VFS_H_
 
 #include <stddef.h>
Index: uspace/lib/c/include/vfs/vfs_mtab.h
===================================================================
--- uspace/lib/c/include/vfs/vfs_mtab.h	(revision 09ab0a9afc9379f1604c0fd75cac2d9287ba022c)
+++ uspace/lib/c/include/vfs/vfs_mtab.h	(revision 43dd2d4bd224eef76be6ddfb6d7228a2edf11ec2)
@@ -33,6 +33,6 @@
  */
 
-#ifndef LIBC_VFS_MTAB_H_
-#define LIBC_VFS_MTAB_H_
+#ifndef _LIBC_VFS_MTAB_H_
+#define _LIBC_VFS_MTAB_H_
 
 #include <ipc/vfs.h>
Index: uspace/lib/c/include/vfs/vfs_sess.h
===================================================================
--- uspace/lib/c/include/vfs/vfs_sess.h	(revision 09ab0a9afc9379f1604c0fd75cac2d9287ba022c)
+++ uspace/lib/c/include/vfs/vfs_sess.h	(revision 43dd2d4bd224eef76be6ddfb6d7228a2edf11ec2)
@@ -33,6 +33,6 @@
  */
 
-#ifndef LIBC_VFS_SESS_H_
-#define LIBC_VFS_SESS_H_
+#ifndef _LIBC_VFS_SESS_H_
+#define _LIBC_VFS_SESS_H_
 
 #include <async.h>