## Macro: SB-ALIEN:DEFINE-ALIEN-TYPE [![package](https://img.shields.io/badge/Package-SB--ALIEN-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Macro-5f9ea0.svg?style=social&colorA=999999)](../#macro) > Define the alien type NAME to be equivalent to TYPE. Name may be NIL for > STRUCT and UNION types, in which case the name is taken from the type > specifier. ### Lambda list ```cl (sb-alien::name type) ```