scan_authfile
if (scan_authfile(f, user, our_name, secret, &addrs, &opts, filename) < 0) {
i = scan_authfile(f, "", our_name, secret, &addrs, &opts, filename);
ret = scan_authfile(f, user,
ret = scan_authfile(f, (explicit_remote? remote_name: NULL), our_name,
ret = scan_authfile(f, client, server, NULL, &addrs, NULL, filename);
ret = scan_authfile(f, client, server, secbuf, &addrs, &opts,
static int scan_authfile __P((FILE *, char *, char *, char *,