How to use a cyclic shift function in codewarrior?

[General]

Hello,every body!

I want to cyclic shift a variable.Is there  a cyclic shift function in codewarrior?

And I need a C program manual of freescale 16-bit MCU,which better  explain

the usage of codewarrior.

 Thanks for your help.

[kef]

http://en.wikipedia.org/wiki/Circular_shift