PNG_ZBUF_SIZE     227 3rdparty/libpng/pngpriv.h #if (PNG_ZBUF_SIZE > 65536L) && defined(PNG_MAX_MALLOC_64K)
PNG_ZBUF_SIZE     106 3rdparty/libpng/pngread.c    png_ptr->zbuf_size = PNG_ZBUF_SIZE;
PNG_ZBUF_SIZE     521 3rdparty/libpng/pngwrite.c    png_ptr->zbuf_size = PNG_ZBUF_SIZE;