--- In [email protected], "John Matthews" <[EMAIL PROTECTED]> wrote:
>
> --- In [email protected], "raj_duttaphookan"
> <raj_duttaphookan@> wrote:
> >
> > In your above explaination, I guess when the getValue( ) function
> > shall be called, it shall be something like:
> >
> > main( )
> > {
> > int x;
> > ..............;
> > ..............;
> > int getValue(&x);//the address of x is passed on to the
calling
> > //function.
> > ..............;
> > }
> >
> >
> > int getValue(pointer p) //here the address shall come to p
> > {
> > return *p; // here it is simply returning the value at the
> > //address which is contained in p. And since it
> > //was already defined in main( ) as int x, so
> > //obviously it shall return an int.
> > }
>
> Ok, try this one :-)
>
> int main(int argc, char *argv[])
> {
> int i = 1;
> short s = 2;
> pointer p = (argc > 1) ? &i : &s;
>
> return *p;
> }
>
> In this simple example the compiler could generate code to check the
> value of argc and dereference p correctly, but I don't think it
would
> be practical (possible?) for more complicated examples.
>
> John
>
Is pointer a new data type? What is p?
