void x11_input_open(int, int, void *);
void x11_request_forwarding(void);
void x11_request_forwarding_with_spoofing(int, const char *, const char *);
void x11_input_open(int, int, void *);
void x11_request_forwarding(void);
void x11_request_forwarding_with_spoofing(int, const char *, const char *);