nchronously from a stream. `n` can also be the keyword `:all` to read into the buffer until end of stream. Optionally provide a buffer to write into as well as a timeout in seconds after which to cancel the operation and raise an error. Returns the buffer if the read was successful or nil if end-of-stream reached. Will raise an error if there are problems with the IO operation.</pre><a href="https://janetdocs.org/ev/read">Community Examples</a></div><hr><div class="binding"><span id="ev/release-lock" class=