copy-list | Function |

**Syntax****copy-list**list → copy**Arguments and Values**`list`— a*proper list*or a*dotted list*.`copy`— a*list*.**Description**Returns a

*copy*of`list`. If`list`is a*dotted list*, the resulting*list*will also be a*dotted list*.Only the

*list structure*of`list`is copied; the*elements*of the resulting list are the*same*as the corresponding*elements*of the given`list`.**Examples**(setq lst (list 1 (list 2 3))) → (1 (2 3)) (setq slst lst) → (1 (2 3)) (setq clst (copy-list lst)) → (1 (2 3)) (eq slst lst) →

*true*(eq clst lst) →*false*(equal clst lst) →*true*(rplaca lst "one") → ("one" (2 3)) slst → ("one" (2 3)) clst → (1 (2 3)) (setf (caadr lst) "two") → "two" lst → ("one" ("two" 3)) slst → ("one" ("two" 3)) clst → (1 ("two" 3))**Exceptional Situations**The consequences are undefined if

`list`is a*circular list*.**See Also****Notes**