A regular DLL (e.g., zlib.dll ) does not export these. If you run regsvr32 random.dll , it will fail unless those four functions exist. 4. Registry Link Between DLL and COM The registry is the "glue" that maps a human-readable or GUID identifier to a physical DLL path.
// 3. Self-registration (regsvr32.exe calls this) STDAPI DllRegisterServer(void); dll files com
// 4. Self-unregistration STDAPI DllUnregisterServer(void); A regular DLL (e