feature: start to implement responses

include/host.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <limits.h>
+#include <linux/if.h>
+#include <netinet/in.h>
+
+struct host {
+	char name[HOST_NAME_MAX];
+	char ip[INET_ADDRSTRLEN];
+	char interface[IFNAMSIZ];
+};