.\" $Id: libssh2_session_startup.3,v 1.6 2007/06/13 16:41:33 jehousley Exp $
.\"
.TH libssh2_session_startup 3 "1 Jun 2007" "libssh2 0.15" "libssh2 manual"
.SH NAME
libssh2_session_startup - begin transport layer
.SH SYNOPSIS
#include <libssh2.h>

int 
libssh2_session_startup(LIBSSH2_SESSION *session, int socket);

.SH DESCRIPTION
\fIsession\fP - Session instance as returned by 
.BR libssh2_session_init(3)

\fIsocket\fP - Connected socket descriptor. Typically a TCP connection 
though the protocol allows for any reliable transport and the library will 
attempt to use any berkeley socket.

Begin transport layer protocol negotiation with the connected host.
.SH RETURN VALUE
Returns 0 on success, negative on failure.
.SH ERRORS
\fILIBSSH2_ERROR_SOCKET_NONE\fP - The socket is invalid.

\fILIBSSH2_ERROR_BANNER_SEND\fP - Unable to send banner to remote host.

\fILIBSSH2_ERROR_KEX_FAILURE\fP - >Encryption key exchange with the remote 
host failed.

\fILIBSSH2_ERROR_SOCKET_SEND\fP - Unable to send data on socket.

\fILIBSSH2_ERROR_SOCKET_DISCONNECT\fP - The socket was disconnected.

\fILIBSSH2_ERROR_PROTO\fP - An invalid SSH protocol response was received on 
the socket.

\fILIBSSH2_ERROR_EAGAIN\fP - Marked for non-blocking I/O but the call would block.

.SH SEE ALSO
.BR libssh2_session_free(3)
.BR libssh2_session_init(3)