#include <features.h>
#include <netinet/in.h>
+#include <sys/socket.h>
struct ifaddrs {
struct ifaddrs *ifa_next;
#define ifa_broadaddr ifa_ifu.ifu_broadaddr
#define ifa_dstaddr ifa_ifu.ifu_dstaddr
+void freeifaddrs(struct ifaddrs *ifp);
+int getifaddrs(struct ifaddrs **ifap);
+
#ifdef __cplusplus
}
#endif