rem: register int i;
add: register size_t i;
context: print_current_files (void){  register int i;  switch (format)    {    case one_per_line:      for (i = 0; i < files_index; i++)	{	  print_file_name_and_frills (files + i);	  putchar ('\n');	}      break;    case many_per_line:      init_column_info ();      print_many_per_line ();      break;    case horizontal:      init_column_info ();      print_horizontal ();      break;    case with_commas:      print_with_commas ();      break;    case long_format:      for (i = 0; i < files_index; i++)	{	  print_long_format (files + i);	  DIRED_PUTCHAR ('\n');	}      break;    }}