__slist_make_link
__slist_make_link(&_M_head, _M_create_node(__x));
void push_front() { __slist_make_link(&_M_head, _M_create_node());}
return (_Node*) (__slist_make_link(__pos, _M_create_node(__x)));
return (_Node*) (__slist_make_link(__pos, _M_create_node()));
__pos = __slist_make_link(__pos, _M_create_node(__x));
__pos = __slist_make_link(__pos, _M_create_node(*__first));
__pos = __slist_make_link(__pos, _M_create_node(*__first));
__pos = __slist_make_link(__pos, _M_create_node(*__first));