smtp_client_cancel
static void smtp_client_cancel(struct smtp_client *, int, const char *);
smtp_client_cancel(proto, FAIL_IMPL,
smtp_client_cancel(proto, FAIL_IMPL,
smtp_client_cancel(proto, FAIL_IMPL,
smtp_client_cancel(proto, FAIL_IMPL,
smtp_client_cancel(proto, FAIL_INTERNAL,
smtp_client_cancel(proto, FAIL_INTERNAL,
smtp_client_cancel(proto, FAIL_INTERNAL,
smtp_client_cancel(proto, FAIL_INTERNAL,
smtp_client_cancel(proto, FAIL_INTERNAL,
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);
smtp_client_cancel(proto, FAIL_RESP, line);