ence.<DD>
All function parameters must be pointers.
<DT>Column-major arrays.<DD>
Suppose a function returns an array with 5 rows and 3 columns in an
array <I>z</I> and in the call you have declared a leading dimension of
7.  The FORTRAN and equivalent C references are:
<P>
<PRE>
        z(1,1)          z[0]
        z(2,1)          z[1]
        z(5,1)          z[4]
        z(1,2)          z[7]
        z(1,3)          z[14]
        z(i,j)          z[(i-1) + (j-1)*7]
</PRE>

<BR>

<I>fcn</I> is the name of the