? .f. or .t. or .f. and .f. or .f. >>>>? .f. or .f. or .t. and .f. or .f.>>>
>Logical Operators > > >Logical operators work with all data types and return a Logical value. >The following table lists the logical operators in order of precedence. > >Logical Operators > >Operator Action Code >( ) Expression groups >NOT, ! Logical negative > >AND Logical AND >OR Logical inclusive OR > >>
> #define _FALSE_ 0 > #define _TRUE_ 1 > #define or + > #define and * > > > ? _FALSE_ or _TRUE_ or _FALSE_ and _FALSE_ or _FALSE_ > ? _FALSE_ or _FALSE_ or _TRUE_ and _FALSE_ or _FALSE_ > > > #undefine _FALSE_ > #undefine _TRUE_ > #undefine or > #undefine and >That is very explanatory.