#include <sys/param.h>
#endif
+#ifdef HAVE_SYS_UIO_H
+#include <sys/uio.h>
+#endif
+
/* SunOS really wants sys/socket.h BEFORE net/if.h,
and FreeBSD wants these lines below the rest. */
#include <net/if.h>
#endif
+#ifdef HAVE_NET_IF_TUN_H
+#include <net/if_tun.h>
+#endif
+
+#ifdef HAVE_NET_IF_TAP_H
+#include <net/if_tap.h>
+#endif
+
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif