-V Use smart C++ virtual tables (Default)

-V0 External C++ virtual tables
-V1 Public C++ virtual tables
-VC Calling convention mangling compatibility
-Vd for loop variable scoping
-Ve Zero-length empty base classes
-VM Microsoft Visual C++ compatibility
-VI- Use old Borland search algorithm to locate header files (look first in current working directory)
-Vl Use old-style Borland C++ structure layout (for compatibility with older versions of BCC32.EXE)

-VF MFC compatibility
-Vmd Use the smallest possible representation for member pointers
-Vmm Support multiple inheritance for member pointers
-Vmp Honor declared precision of member pointers
-Vms Support single inheritance for member pointers
-Vmv Place no restrictions on where member pointers can point (Default)
-Vx Zero-length empty class member functions

-v Turn on source debugging
-vG All Codeguard options on
-vGc Inline pointer access (Codeguard)
-vGd Global and stack data accesses (Codeguard)
-vGt this pointer on member function entry (Codeguard)
-vi Control expansion of inline functions