#include <termios.h>
#include <pwd.h>
#include <sys/ioctl.h>
+#include <sys/select.h>
#define PUTTY_DO_GLOBALS /* actually _define_ globals */
#include "putty.h"
printf(" -A -a enable / disable agent forwarding\n");
printf(" -t -T enable / disable pty allocation\n");
printf(" -1 -2 force use of particular protocol version\n");
+ printf(" -4 -6 force use of IPv4 or IPv6\n");
printf(" -C enable compression\n");
printf(" -i key private key file for authentication\n");
printf(" -s remote command is an SSH subsystem (SSH-2 only)\n");