(usage): Reorganize to support Win95/98/ME.
(main): Add option for -c. Reorganize to parse options for
Win95/98/ME and to call current_user. Add username in gecos field
on Win95/98/ME.
* mkgroup.cc (enum_groups): Print gid with %u.
(print_win_error): Create from passwd.cc.
(current_group): Create.
(usage): Reorganize to support Win95/98/ME.
(main): Add option for -c. Reorganize to parse options for
Win95/98/ME and to call current_group.