a[3] <===> *(a + 3) ???

[lawrence.jones]

How close to equivalent are the expressions

[...]

Yes. Try the following code:
[...]
{
#ifndef FOO
int a[3];
#else
int *(a + 3);
#endif

Those aren't expressions -- they're declarations.

-Larry Jones

Monopoly is more fun when you make your own Chance cards. -- Calvin