MarshallSoft DUN Dialer for C/C++ is a library of functions that allows your 32-bit Windows application program to dial up a local ISP (Internet Service Provider) using any existing DUN (Dialup Network) connection. MarshallSoft DUN Dialer supports and has been tested with Microsoft Visual C/C++, Borland C/C++, Turbo C/C++ for Windows, Borland C++ Builder, Watcom C/C++, and Lcc-Win32 compilers. It can also be used with most other C/C++ Windows compilers. The MarshallSoft DUN Dialer DLL (MDD32.DLL) can also be used from any 32-bit Windows application (such as Visual Basic or Delphi) capable of calling the Windows API.MarshallSoft DUN Dialer is a standard Windows DLL (not an OCX or ActiveX control) and is much smaller than a comparable OCX or ActiveX control. It does not depend on ActiveX or Microsoft Foundation Class (MFC) libraries, or similar support libraries.