jpeg_read_header 7890 src/image.c    DEF_DLL_FN (int, jpeg_read_header, (j_decompress_ptr, boolean));
jpeg_read_header 7908 src/image.c      LOAD_DLL_FN (library, jpeg_read_header);
jpeg_read_header 8254 src/image.c      jpeg_read_header (&mgr->cinfo, 1);