libssh2_session_startup - begin transport layer

       Starting    in    libssh2    version    1.2.8    this    function    is    considered   deprecated.   Use
       libssh2_session_handshake(3) instead.

       session - Session instance as returned by libssh2_session_init_ex(3)socket - 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.

LIBSSH2_ERROR_SOCKET_NONE - The socket is invalid.

       LIBSSH2_ERROR_BANNER_SEND - Unable to send banner to remote host.

       LIBSSH2_ERROR_KEX_FAILURE - Encryption key exchange with the remote host failed.

       LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket.

       LIBSSH2_ERROR_SOCKET_DISCONNECT - The socket was disconnected.

       LIBSSH2_ERROR_PROTO - An invalid SSH protocol response was received on the socket.

       LIBSSH2_ERROR_EAGAIN - Marked for non-blocking I/O but the call would block.

       libssh2_session_startup - begin transport layer

       Returns 0 on success, negative on failure.

libssh2_session_free(3)libssh2_session_init_ex(3)

libssh2 0.15                                       1 Jun 2007                         libssh2_session_startup(3)

       #include <libssh2.h>

       int
       libssh2_session_startup(LIBSSH2_SESSION *session, int socket);