ZeroCrossing     1346 magick/segment.c   ZeroCrossing
ZeroCrossing     1359 magick/segment.c   zero_crossing=MagickAllocateMemory(ZeroCrossing *,count*sizeof(ZeroCrossing));
ZeroCrossing     1360 magick/segment.c   if (zero_crossing == (ZeroCrossing *) NULL)