bool isOperandInCodeSpace (operand *);
operand *opFromOpWithDU (operand *, bitVect *, bitVect *);
iCode *copyiCode (iCode *);
+operand *newiTempOperand (sym_link *, char);
operand *newiTempFromOp (operand *);
iCode *getBuiltinParms (iCode *,int *, operand **);
int isiCodeInFunctionCall (iCode *);