You can search for identifiers within the package.
in-package search v0.2.0
val of_unix_sockaddr_exn : Unix.sockaddr -> sockaddr
val to_unix_sockaddr_exn : sockaddr -> Unix.sockaddr
val file_of_file_descr : Unix.file_descr -> file option
val file_descr_of_file : file -> Unix.file_descr option