.TH libssh2_session_startup 3 "1 Jun 2007" "libssh2 0.15" "libssh2"
.SH NAME
libssh2_session_startup - begin transport layer
.SH SYNOPSIS
.nf
#include <libssh2.h>

int
libssh2_session_startup(LIBSSH2_SESSION *session, int socket);
.fi
.SH DESCRIPTION
Starting in libssh2 version 1.2.8 this function is considered deprecated. Use
\fIlibssh2_session_handshake(3)\fP instead.

\fIsession\fP - Session instance as returned by
.BR libssh2_session_init_ex(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_ex(3)