Passing types to a subroutine

[Leslie Mikesell]

>>	float	a[100];
>>	subroutine(...., a[100], ...);
>>	double	a[100];
>>	subroutine(...., a[100], ...);
>>and have the subroutine do the right thing with a[].

How about passing a struct containing a type code and pointers to
both types of arrays?  The "unused" item could be left null and
the type element would tell the function which pointer to use.

Les Mikesell