C++ definition of NULL

[Jason Merrill]

>>>>> Chad Gatesman <chadg@redrose.net> writes:

 > I am currently porting a very large library that depends on the passing
 > of NULL into parameters declared as long int.

 > egcs appears to define NULL as __null which is a builtin symbol that
 > treats NULL as `{unknown type} *'.  Therefore, I cannot pass in NULL to
 > a long int parameter without casting it.

Why would you want to?  Conceptually, NULL is a pointer value.

Jason