DEFSYM (QCdevice, ":device");
DEFSYM (QCvolume, ":volume");
DEFSYM (Qsound, "sound");
DEFSYM (Qplay_sound_functions, "play-sound-functions");
DEFSYM (QCdevice, ":device");
DEFSYM (QCvolume, ":volume");
DEFSYM (Qsound, "sound");
DEFSYM (Qplay_sound_functions, "play-sound-functions");