GCOBOL_17.1
  {
  global:

    cbl_alloc_mem;
    cbl_check_file_exist;
    cbl_close_file;
    cbl_create_file;
    cbl_delete_file;
    cbl_free_mem;
    cbl_get_program_info;
    cbl_open_file;
    cbl_read_file;
    cbl_write_file;

    stored$char$length;

  local:
    *;
  };