extern void __stdcall FORTRANFUNCTION(const double *array1, const double *scalar1 [, etc.]);
// Since FORTRAN typically expects arguments by reference, arguments are passed
// as pointers. To pass values, the FORTRAN code must contain a compiler directive
// telling the function to expect a value rather than an address.
LRESULT mcadfunction(LPCOMPLEXARRAY array1, LPCCOMPLEXSCALAR scalar1, etc.)

// this defines the function before FUNCTIONINFO, using the same variable names
// called by the external FORTRAN function.
{
// some error checking goes here, followed by the
// actual call to the FORTRAN function. For example,
FORTRANFUNCTION(&array1->hReal[0][0], &scalar1->real [, etc.]);

// Either the function call must be in UPPERCASE, or you will have to set
// Settings->FORTRAN->External procedures->External name implementation
// to "Upper case" in your FORTRAN compiler. Any other C functionality follows...
return 0;

}