Index: uspace/lib/libc/include/sys/time.h
===================================================================
--- uspace/lib/libc/include/sys/time.h	(revision 12f91130125afee85c5a261ba1df5d0711d1cc57)
+++ uspace/lib/libc/include/sys/time.h	(revision 0d65d76675845d96ddff8e5f335ec3d5c995ca08)
@@ -53,5 +53,9 @@
 };
 
-int gettimeofday(struct timeval *tv, struct timezone *tz);
+extern void tv_add(struct timeval *tv, suseconds_t usecs);
+extern suseconds_t tv_sub(struct timeval *tv1, struct timeval *tv2);
+extern int tv_gt(struct timeval *tv1, struct timeval *tv2);
+extern int tv_gteq(struct timeval *tv1, struct timeval *tv2);
+extern int gettimeofday(struct timeval *tv, struct timezone *tz);
 
 #endif
Index: uspace/lib/libc/include/time.h
===================================================================
--- uspace/lib/libc/include/time.h	(revision 12f91130125afee85c5a261ba1df5d0711d1cc57)
+++ 	(revision )
@@ -1,41 +1,0 @@
-/*
- * Copyright (c) 2006 Ondrej Palkovsky
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- * - Redistributions in binary form must reproduce the above copyright
- *   notice, this list of conditions and the following disclaimer in the
- *   documentation and/or other materials provided with the distribution.
- * - The name of the author may not be used to endorse or promote products
- *   derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/** @addtogroup libc
- * @{
- */
-/** @file
- */ 
-
-#ifndef LIBC_TIME_H_
-#define LIBC_TIME_H_
-
-#endif
-
-/** @}
- */