save_rwin_state
err |= save_rwin_state(wsaved, rwp);
err |= save_rwin_state(wsaved, rwp);
err |= save_rwin_state(wsaved, rwp);
err |= save_rwin_state(wsaved, rwp);
err |= save_rwin_state(wsaved, rwin_save);
int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin);