void ldisc_send(char *buf, int len)
void ldisc_send(char *buf, int len, int interactive)
void ldisc_send(char *buf, int len){    /*     * This is only here because of the calls to ldisc_send(NULL,     * 0) in ssh.c. Nothing in PSCP actually needs to use the ldisc     * as an ldisc. So if we get called with any real data, I want     * to know about it.     */    assert(len == 0);}