/*
    * Alphanumerics only.
    * Lock out IllIll twits.
    */
   {
      char *pc;
      bool fIll;

      fIll = TRUE;
      for( pc = name; *pc != '\0'; pc++ )
      {
         if( !isalpha( *pc ) )
            return FALSE;
         if( LOWER( *pc ) != 'i' && LOWER( *pc ) != 'l' )
            fIll = FALSE;
      }

      if( fIll )
         return FALSE;
   }