Types

TOption = record
  Name    : String;
  Has_arg : Integer;
  Flag    : PChar;
  Value   : Char;
  end;
POption = ^TOption;

The option type is used to communicate the long options to GetLongOpts. The Name field is the name of the option. Has_arg specifies if the option wants an argument, Flag is a pointer to a char, which is set to Value, if it is non-nil.

POption is a pointer to a Option record. It is used as an argument to the GetLongOpts function.