png_do_quantize  1111 3rdparty/libpng/pngpriv.h PNG_EXTERN void png_do_quantize PNGARG((png_row_infop row_info,
png_do_quantize  2261 3rdparty/libpng/pngrtran.c       png_do_quantize(row_info, png_ptr->row_buf + 1,