safeboolean 533 ext/gd/libgd/gd_jpeg.c safeboolean start_of_file; /* have we gotten any data yet? */ safeboolean 592 ext/gd/libgd/gd_jpeg.c safeboolean fill_input_buffer (j_decompress_ptr cinfo) safeboolean 783 ext/gd/libgd/gd_jpeg.c safeboolean empty_output_buffer (j_compress_ptr cinfo)