diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/lib/libsocket.tex | 15 | ||||
| -rw-r--r-- | Doc/libsocket.tex | 15 |
2 files changed, 24 insertions, 6 deletions
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex index 7596a86..f051be8 100644 --- a/Doc/lib/libsocket.tex +++ b/Doc/lib/libsocket.tex @@ -54,14 +54,18 @@ call, similar to the value accompanying \code{posix.error}. \begin{datadesc}{AF_UNIX} \dataline{AF_INET} These constants represent the address (and protocol) families, -used for the first argument to \code{socket()}. +used for the first argument to \code{socket()}. If the \code{AF_UNIX} +constant is not defined then this protocol is unsupported. \end{datadesc} \begin{datadesc}{SOCK_STREAM} \dataline{SOCK_DGRAM} +\dataline{SOCK_RAW} +\dataline{SOCK_RDM} +\dataline{SOCK_SEQPACKET} These constants represent the socket types, used for the second argument to \code{socket()}. -(There are other types, but only \code{SOCK_STREAM} and +(Only \code{SOCK_STREAM} and \code{SOCK_DGRAM} appear to be generally useful.) \end{datadesc} @@ -71,6 +75,11 @@ returned as a string, e.g., \code{'100.50.200.5'}. If the host name is an IP address itself it is returned unchanged. \end{funcdesc} +\begin{funcdesc}{gethostname}{} +Return the current host's canonical name, as a string +(e.g. \code{'voorn.cwi.nl'}). +\end{funcdesc} + \begin{funcdesc}{getservbyname}{servicename\, protocolname} Translate an Internet service name and protocol name to a port number for that service. The protocol name should be \code{'tcp'} or @@ -139,7 +148,7 @@ with \code{select}. Return the remote address to which the socket is connected. This is useful to find out the port number of a remote IP socket, for instance. (The format of the address returned depends on the address family -- -see above.) +see above.) On some systems this function is not supported. \end{funcdesc} \begin{funcdesc}{getsockname}{} diff --git a/Doc/libsocket.tex b/Doc/libsocket.tex index 7596a86..f051be8 100644 --- a/Doc/libsocket.tex +++ b/Doc/libsocket.tex @@ -54,14 +54,18 @@ call, similar to the value accompanying \code{posix.error}. \begin{datadesc}{AF_UNIX} \dataline{AF_INET} These constants represent the address (and protocol) families, -used for the first argument to \code{socket()}. +used for the first argument to \code{socket()}. If the \code{AF_UNIX} +constant is not defined then this protocol is unsupported. \end{datadesc} \begin{datadesc}{SOCK_STREAM} \dataline{SOCK_DGRAM} +\dataline{SOCK_RAW} +\dataline{SOCK_RDM} +\dataline{SOCK_SEQPACKET} These constants represent the socket types, used for the second argument to \code{socket()}. -(There are other types, but only \code{SOCK_STREAM} and +(Only \code{SOCK_STREAM} and \code{SOCK_DGRAM} appear to be generally useful.) \end{datadesc} @@ -71,6 +75,11 @@ returned as a string, e.g., \code{'100.50.200.5'}. If the host name is an IP address itself it is returned unchanged. \end{funcdesc} +\begin{funcdesc}{gethostname}{} +Return the current host's canonical name, as a string +(e.g. \code{'voorn.cwi.nl'}). +\end{funcdesc} + \begin{funcdesc}{getservbyname}{servicename\, protocolname} Translate an Internet service name and protocol name to a port number for that service. The protocol name should be \code{'tcp'} or @@ -139,7 +148,7 @@ with \code{select}. Return the remote address to which the socket is connected. This is useful to find out the port number of a remote IP socket, for instance. (The format of the address returned depends on the address family -- -see above.) +see above.) On some systems this function is not supported. \end{funcdesc} \begin{funcdesc}{getsockname}{} |