PNG_INFO_hIST     209 contrib/libtests/pngunknown.c    { "hIST", PNG_INFO_hIST, png_hIST,
PNG_INFO_hIST     601 png.c                info_ptr->valid &= ~PNG_INFO_hIST;
PNG_INFO_hIST     771 pngget.c          if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_hIST)
PNG_INFO_hIST     775 pngget.c             return (PNG_INFO_hIST);
PNG_INFO_hIST    1029 pngrutil.c        if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_hIST) != 0)
PNG_INFO_hIST    1969 pngrutil.c        else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_hIST))
PNG_INFO_hIST     200 pngset.c          info_ptr->valid |= PNG_INFO_hIST;
PNG_INFO_hIST     235 pngwrite.c        if (info_ptr->valid & PNG_INFO_hIST)