These functions are used by the user process to send or receive packets and
to do other socket operations. For more information see their man pages.
socket (2)
creates a socket,
connect (2)
connects a socket to a foreign socket address,
the
bind (2)
function binds a socket to a local socket address,
listen (2)
tells the socket that new connections will be accepted, and
accept (2)
is used to get a new socket with the new connection.
socketpair (2)
returns two connected anonymous sockets.
send (2),
sendto (2),
and
sendmsg (2)
send data over a socket, and
recv (2),
recvfrom (2),
recvmsg (2)
receive data from a socket.
poll (2)
and
select (2)
wait for arriving data or a readiness to send data.
In addition, the standard I/O operations like
write (2),
writev (2),
read (2),
and
readv (2)
can be used to read and write data.
getsockname (2)
returns the local socket address and
getpeername (2)
returns the foreign socket address.
getsockopt (2)
and
setsockopt (2)
are used to set or get socket layer or protocol options.
ioctl (2)
can be used to set or read some other options.
close (2)
is used to close a socket.
shutdown (2)
closes parts of a full duplex socket connection.
Seeking is not supported on sockets.
