static void logeventf(Ssh ssh, char *fmt, ...)
static void logeventf(Ssh ssh, const char *fmt, ...)
static void logeventf(Ssh ssh, char *fmt, ...){    va_list ap;    char *buf;    va_start(ap, fmt);    buf = dupvprintf(fmt, ap);    va_end(ap);    logevent(buf);    sfree(buf);}