Function libssh2_sys::libssh2_session_init_ex

pub unsafe extern fn libssh2_session_init_ex(alloc: Option<LIBSSH2_ALLOC_FUNC>,
                                             free: Option<LIBSSH2_FREE_FUNC>,
                                             realloc: Option<LIBSSH2_REALLOC_FUNC>,
                                             abstrakt: *mut c_void)
                                             -> *mut LIBSSH2_SESSION