- uri-authority URIprocedure
- uri-scheme URIprocedure
- uri-path URIprocedure
- uri-query URIprocedure
- uri-fragmentprocedure
- uri-host URIprocedure
- uri-port URIprocedure
- uri-username URIprocedure
- uri-password URIprocedure
- authority? URI-AUTHprocedure
- authority-host URI-AUTHprocedure
- authority-port URI-AUTHprocedure
- authority-username URI-AUTHprocedure
- authority-password URI-AUTHprocedure
If a component is not defined in the given URI, then the corresponding accessor returns #f, except for uri-path, which will always return a (possibly empty) list.