How to divide and join variables of char type ??

From: KPG (mstepien_at_kpg.pl)
Date: 01/23/04 

Date: Fri, 23 Jan 2004 14:01:27 +0100

I have char variable, for example
char c[10];
and I would like to divide this variable
on two others char variables
or join with oher char variables/