PNG_ZBUF_SIZE     100 extra_lib/include/png/pngconf.h #  define PNG_ZBUF_SIZE 8192
PNG_ZBUF_SIZE    1480 extra_lib/include/png/pngconf.h #  undef PNG_ZBUF_SIZE
PNG_ZBUF_SIZE    1481 extra_lib/include/png/pngconf.h #  define PNG_ZBUF_SIZE 65536L