4 * net_client_lookup - look up a network name to connect to.
5 * @hostname: the name to look up
6 * @service: the service to look up
7 * @family: Usually AF_UNSPEC, otherwise AF_INET or AF_INET6.
8 * @socktype: SOCK_DGRAM or SOCK_STREAM.
10 * This will do a synchronous lookup of a given name, returning a linked list
11 * of results, or NULL on error. You should use freeaddrinfo() to free it.
14 * #include <sys/types.h>
15 * #include <sys/socket.h>
20 * struct addrinfo *addr;
22 * // Get a TCP connection to ccan.ozlabs.org daytime port.
23 * addr = net_client_lookup("ccan.ozlabs.org", "daytime",
24 * AF_UNSPEC, SOCK_STREAM);
26 * errx(1, "Failed to look up daytime at ccan.ozlabs.org");
28 struct addrinfo *net_client_lookup(const char *hostname,
34 * net_connect - connect to a server
35 * @addrinfo: linked list struct addrinfo (usually from net_client_lookup).
37 * This synchronously connects to a server described by @addrinfo, or returns
38 * -1 on error (and sets errno).
43 * fd = net_connect(addr);
45 * err(1, "Failed to connect to ccan.ozlabs.org");
48 int net_connect(const struct addrinfo *addrinfo);
49 #endif /* CCAN_NET_H */