extern /*@falsenull@*/ bool constraintExprData_isDefined (/*@temp@*/ /*@observer@*/ /*@reldef@*/ constraintExprData p_e) /*@*/ ;
# define constraintExprData_isDefined(e) ((e) != NULL)
-extern/*@unused@*/ /*@truenull@*/ bool constraintExprData_isError (/*@observer@*/ constraintExprData p_e) /*@*/ ;
-
extern void constraintExprData_freeBinaryExpr (/*@only@*/ constraintExprData) ;
extern void constraintExprData_freeUnaryExpr (/*@only@*/ constraintExprData) ;
extern void constraintExprData_freeTerm (/*@only@*/ constraintExprData) ;