#include <cassert>
#include <cstdio>
#include <cstring>
-#include <netdb.h>
-#include <netinet/in.h>
+
+#ifdef HAVE_NETDB_H
+# include <netdb.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+
#include <string>
#include <unistd.h>
#include <vector>