## Generic-function: SB-GRAY:STREAM-FILE-POSITION
[![package](https://img.shields.io/badge/Package-SB--GRAY-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Generic--Function-5f9ea0.svg?style=social&colorA=999999)](../#generic-function) 

> Used by FILE-POSITION. Returns or changes the current position within STREAM.

### Lambda list
```cl
(stream &optional sb-gray::position-spec)
```