static void
killchild(int signo)
{
if (sshpid > 1) {
pid_t pid;
kill(sshpid, SIGTERM);
waitpid(sshpid, NULL, 0);
pid = sshpid;
if (pid > 1) {
kill(pid, SIGTERM);
waitpid(pid, NULL, 0);
}
_exit(1);