AddComp
AddComp Adds complement procedure to the the device record's list
#include <Quickdraw.h> Color Manager
void AddComp( compProc );
ProcPtr compProc ; pointer to new complement procedure
AddComp puts a new complement procedure at the head of the list and
allocates an CProcRec. You use this function to install a custom CompProc.
compProc is the new complement procedure
Returns: none