## Macro: COMMON-LISP:DEFSETF
[![package](https://img.shields.io/badge/Package-COMMON--LISP-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Macro-5f9ea0.svg?style=social&colorA=999999)](../#macro) [![clhs](https://img.shields.io/badge/CLHS-DEFSETF-5f9ea0.svg?style=social&colorA=999999)](http://www.lispworks.com/documentation/HyperSpec/Body/m_defset.htm) 

> Associates a SETF update function or macro with the specified access
> function or macro. The format is complex. See the manual for details.

### Lambda list
```cl
(sb-impl::access-fn &rest rest)
```