Variables starting with `d' in 321/win32

• depth 321/win32/qgl_win.c:76
• dfactor 321/win32/qgl_win.c:70
• dsound_init 321/win32/snd_win.c:40
• dwAxisMap 321/win32/in_win.c:50
• dwControlMap 321/win32/in_win.c:51