png_IHDR         2877 contrib/tools/pngfix.c       case png_IHDR:
png_IHDR         3234 contrib/tools/pngfix.c          if (file->length != 13 || file->type != png_IHDR)
png_IHDR          249 pngpread.c        if (chunk_name == png_IHDR)
png_IHDR          135 pngread.c            if (chunk_name == png_IHDR)
png_IHDR          789 pngread.c            else if (chunk_name == png_IHDR)
png_IHDR          903 pngwutil.c        png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13);