Install the USB HID drivers and headers using WIN98DDK.exe

Visual Studio 6.0 Project Settings
   C/C++
      Category: Precompiled Headers
         Not using precompiled headers
      Category: Preprocessor
         Additional include directories: C:\98DDK\inc\win98

   Link
      Category: General
         Add to Object/library modules
            comctl32.lib hid.lib setupapi.lib 
      Category: Input
         Additional library path: C:\98DDK\lib\i386\free