Interlanguage Calls - Call by Reference Parameters

For call-by-reference (as in Fortran), the address of the parameter is passed in a register.

When passing parameters by reference, if you write C or C++ function that...

Interlanguage Calling Conventions
Corresponding Data Types
Use the Subroutine Linkage Conventions in Interlanguage Calls
Sample Program: C Calling Fortran