UndefinedChannel  138 Magick++/lib/Magick++/Include.h   using MagickCore::UndefinedChannel;
UndefinedChannel 3139 coders/msl.c             channel=UndefinedChannel;
UndefinedChannel  120 magick/option.c     { "Undefined", (ssize_t) UndefinedChannel, MagickTrue },
UndefinedChannel  141 magick/option.c     { (char *) NULL, (ssize_t) UndefinedChannel, MagickFalse }