DefineRegion      192 magick/segment.c   DefineRegion(const short *,ExtentPacket *);
DefineRegion      292 magick/segment.c   while (DefineRegion(extrema[Red],&red) != 0)
DefineRegion      295 magick/segment.c     while (DefineRegion(extrema[Green],&green) != 0)
DefineRegion      298 magick/segment.c       while (DefineRegion(extrema[Blue],&blue) != 0)
DefineRegion     1024 magick/segment.c   while (DefineRegion(extrema[Red],&red) != 0)
DefineRegion     1027 magick/segment.c     while (DefineRegion(extrema[Green],&green) != 0)
DefineRegion     1030 magick/segment.c       while (DefineRegion(extrema[Blue],&blue) != 0)