grant WINA$USER to WINA$USRADM with admin option;   (where both WINA$USER and WINA$USRADM are roles)
 
SQL> select * from dba_role_privs where admin_option ='YES' and grantee like 'WINA$%' order by grantee;
 
GRANTEE                        GRANTED_ROLE                   ADM DEF
------------------------------ ------------------------------ --- ---
WINA$USRADM                    WINA$USER                      YES YES

create user C$SETUP identified by password
grant WINA$USER to C$SETUP