#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
+#include <sys/un.h>
#include <netinet/in.h>
#include <unistd.h>
#include <fcntl.h>
struct sockaddr sa;
struct sockaddr_in in4;
struct sockaddr_in6 in6;
+ struct sockaddr_un un;
+ /** Return the family of the socket (e.g. AF_INET). */
+ int family() const;
/** Return the size of the structure for syscall passing */
socklen_t sa_size() const;
/** Return port number or -1 if invalid */