diff --git a/apps/string.c b/apps/misc.c
similarity index 100%
rename from apps/string.c
rename to apps/misc.c
diff --git a/apps/misc.h b/apps/misc.h
new file mode 100644
index 0000000000..b5cf896b28
--- /dev/null
+++ b/apps/misc.h
@@ -0,0 +1,24 @@
+/***************************************************************************
+ *             __________               __   ___.                  
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___  
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /  
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <   
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \  
+ *                     \/            \/     \/    \/            \/ 
+ * $Id$
+ *
+ * Copyright (C) 2002 by Daniel Stenberg
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+/* The point of this function would be to return a string of the input data,
+   but never longer than 5 columns. Add suffix k and M when suitable...
+   Make sure to have space for 6 bytes in the buffer. 5 letters plus the
+   terminating zero byte. */
+char *num2max5(unsigned int bytes, char *max5);
diff --git a/apps/recorder/recording.c b/apps/recorder/recording.c
index 8af01f4c52..96cea40648 100644
--- a/apps/recorder/recording.c
+++ b/apps/recorder/recording.c
@@ -39,9 +39,7 @@
 #include "sound_menu.h"
 #include "timefuncs.h"
 #include "debug.h"
-#include "string.h"
-
-extern char *num2max5(unsigned int bytes, char *max5);
+#include "misc.h"
 
 bool f2_rec_screen(void);
 bool f3_rec_screen(void);