async-io-state-collection
async-io-state-max-read
async-io-state-name
async-io-state-object
async-io-state-old-length
async-io-state-read-status
async-io-state-read-timeout
async-io-state-write-status
async-io-state-write-timeout
async-io-state-user-info
The Async-I/O-State API
LispWorks User Guide and Reference Manual - 20 Sep 2017