PNG_LOMASK       2324 pngwutil.c     #define PNG_HIMASK ((png_uint_32)(~PNG_LOMASK >> PNG_HISHIFT))
PNG_LOMASK       2404 pngwutil.c              sumlo = sum & PNG_LOMASK;
PNG_LOMASK       2478 pngwutil.c              lmlo = lmins & PNG_LOMASK;
PNG_LOMASK       2531 pngwutil.c              sumlo = sum & PNG_LOMASK;
PNG_LOMASK       2596 pngwutil.c              lmlo = lmins & PNG_LOMASK;
PNG_LOMASK       2641 pngwutil.c              sumlo = sum & PNG_LOMASK;
PNG_LOMASK       2709 pngwutil.c              lmlo = lmins & PNG_LOMASK;
PNG_LOMASK       2762 pngwutil.c              sumlo = sum & PNG_LOMASK;
PNG_LOMASK       2850 pngwutil.c              lmlo = lmins & PNG_LOMASK;
PNG_LOMASK       2937 pngwutil.c              sumlo = sum & PNG_LOMASK;