extern void forward_request(struct connection_t *c, const char *request);
extern bool receive_request(struct connection_t *c, const char *request);
-extern void init_requests(void);
extern void exit_requests(void);
extern bool seen_request(const char *request);
extern bool send_req_key(struct node_t *to);
extern bool send_ans_key(struct node_t *to);
extern bool send_tcppacket(struct connection_t *c, const struct vpn_packet_t *packet);
-extern bool send_sptps_tcppacket(struct connection_t *c, const char *packet, int len);
+extern bool send_sptps_tcppacket(struct connection_t *c, const void *packet, size_t len);
extern bool send_udp_info(struct node_t *from, struct node_t *to);
extern bool send_mtu_info(struct node_t *from, struct node_t *to, int mtu);