UndefinedChannel  242 Magick++/lib/Magick++/Include.h   using MagickCore::UndefinedChannel;
UndefinedChannel 3147 coders/msl.c             channel=UndefinedChannel;
UndefinedChannel  131 magick/option.c     { "Undefined", UndefinedChannel, UndefinedOptionFlag, MagickTrue },
UndefinedChannel  163 magick/option.c     { (char *) NULL, UndefinedChannel, UndefinedOptionFlag, MagickFalse }