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Diffstat (limited to 'Doc/lib/libsocket.tex')
| -rw-r--r-- | Doc/lib/libsocket.tex | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex index 4a1558e..47a2914 100644 --- a/Doc/lib/libsocket.tex +++ b/Doc/lib/libsocket.tex @@ -98,7 +98,18 @@ for a few symbols, default values are provided. \begin{funcdesc}{gethostbyname}{hostname} Translate a host name to IP address format. The IP address is returned as a string, e.g., \code{'100.50.200.5'}. If the host name -is an IP address itself it is returned unchanged. +is an IP address itself it is returned unchanged. See +\code{gethostbyname_ex} for a more complete interface. +\end{funcdesc} + +\begin{funcdesc}{gethostbyname_ex}{hostname} +Translate a host name to IP address format, extended interface. +Return a triple \code{(hostname, aliaslist, ipaddrlist)} where +\code{hostname} is the primary host name responding to the given +\var{ip_address}, \code{aliaslist} is a (possibly empty) list of +alternative host names for the same address, and \code{ipaddrlist} is +a list of IP addresses for the same interface on the same +host (often but not always a single address). \end{funcdesc} \begin{funcdesc}{gethostname}{} |