Global variables for linux Device Driver.

permute non-options to the end of arg.treat non-options as args to option -1 .operate as getopt_long_only. -permute non-options to the end of arg.treat non-options as args to option -1 .operate as getopt_long_only.

If sort was done, permute the reference number to obtain the final reference number, finalrn. -If sort was done, permute the reference number to obtain the final reference number, finalrn.