The code that I needed for the CCS compiler was;

//clear screen
printf("%c",254);
printf("%c",88 );

As I understand it, the %c sends the raw code.

Also if you want to place the cursor;

//place cursor
printf("%c",254);
printf("%c",71);
printf("%c",3);
printf("%c",3);

This would place ...

I get on the screen;

'fe58fe48ABCDEFGHIJKLMNOPQRSTUVWXYZ'

I am using the PIC 16F877A to control the GLC24064 V2.0 and I am able to write to the LCD with the following program but the command to clear the screen and place the cursor does not work. The program is below and produces the following on the LCD;

feXfeHABCDEFGHIJKLMNOPQRSTUVWXYZ

and will wrap ...