libssh2_session_last_errno - get the most recent error number
#include <libssh2.h> int libssh2_session_last_errno(LIBSSH2_SESSION *session);
session - Session instance as returned by libssh2_session_init_ex(3) Determine the most recent error condition.
Numeric error code corresponding to the the Error Code constants.
libssh2_session_last_error(3)