These procedures were removed in Guile 2.2 by commit
fc7bd367ab (May 2011).
* libguile/socket.h (scm_inet_aton, scm_inet_ntoa): Remove.
* module/system/repl/server.scm (make-tcp-server-socket): Use
'inet-pton' instead of 'inet-aton'.
* doc/ref/web.texi (HTTP): Likewise in 'declare-header!' example.
* doc/ref/posix.texi (Network Address Conversion): Remove documentation
of 'inet-ntoa' and 'inet-aton'.