.Dd February 4, 2015
.Dt SFNC 1
.Os
.Sh NAME
.Nm sfnc
.Nd network connection over sf (client side)
.Sh SYNOPSIS
.Nm sfnc
.Ar host
.Ar port
.Ar transmit-device
.Ar receive-device
.Sh DESCRIPTION
.Nm
communicates with another program over two byte steams and asks the remote
program (usually
.Xr sfncd 1 )
to connect to the specified
.Ar host
and
.Ar port .
.Pp
It reads bytes from the standard input and transmits them across
.Ar transmit-device .
It receives bytes from
.Ar receive-device
and sends them to the standard output.
.Pp
.Ss Protocol
The client transmits in one
.Xr sf 1
session, which contains two nested
.Xr sf 1
connections (first host, then port), and then the actual body read from the
standard input.
The server transmits in one
.Xr sf 1
session, which begins once the host and port has been received, and it contains
the response.
.Sh SEE ALSO
.Xr sf 1 ,
.Xr sfncd 1 ,
.Xr serial-transfer 7