rem: if (init_fps (number_of_files, av))
add: if (! init_fps (number_of_files, av))
context: print_files (int number_of_files, char **av){  init_parameters (number_of_files);  if (init_fps (number_of_files, av))    return;  if (storing_columns)    init_store_cols ();  if (first_page_number > 1)    {      if (!skip_to_page (first_page_number))	return;      else	page_number = first_page_number;    }  else    page_number = 1;  init_funcs ();  line_number = line_count;  while (print_page ())    ;}