PNG_PASS_MASK      65 contrib/libtests/pngunknown.c #define PNG_PASS_MASK(pass,off) ( \
PNG_PASS_MASK      94 contrib/libtests/pngvalid.c #define PNG_PASS_MASK(pass,off) ( \
PNG_PASS_MASK    2632 png.h          #define PNG_PASS_MASK(pass,off) ( \