png_write_hIST    880 3rdparty/libpng/pngpriv.h PNG_EXTERN void png_write_hIST PNGARG((png_structp png_ptr,
png_write_hIST    167 3rdparty/libpng/pngwrite.c       png_write_hIST(png_ptr, info_ptr->hist, info_ptr->num_palette);