void getsock(struct socket *sk);
struct socket *netcslisten(int type, struct sockaddr *name, socklen_t namelen, void (*func)(struct socket *, struct socket *, void *), void *data);
struct socket *netcslistenlocal(int type, struct sockaddr *name, socklen_t namelen, void (*func)(struct socket *, struct socket *, void *), void *data);
+struct socket *netcstcplisten(int port, int local, void (*func)(struct socket *, struct socket *, void *), void *data);
struct socket *netcsconn(struct sockaddr *addr, socklen_t addrlen, void (*func)(struct socket *, int, void *), void *data);
int pollsocks(int timeout);
void sockqueue(struct socket *sk, void *data, size_t size);
size_t sockgetdatalen(struct socket *sk);
int getpublicaddr(int af, struct sockaddr **addr, socklen_t *lenbuf);
int socksettos(struct socket *sk, int tos);
+int addreq(struct sockaddr *x, struct sockaddr *y);
char *formataddress(struct sockaddr *arg, socklen_t arglen);
void sockpushdata(struct socket *sk, void *buf, size_t size);