*
*/
+#include <config.h>
#include <netinet/udp.h>
#include <netinet/ip.h>
[OPTION_U32] = 4,
};
-/* already defined within netinet/in.h if using GNU compiler */
-#ifndef __USE_GNU
+/* already defined within netinet/in.h if using glibc or musl */
+#ifndef HAVE_STRUCT_IN6_PKTINFO_IPI6_ADDR
struct in6_pktinfo {
struct in6_addr ipi6_addr; /* src/dst IPv6 address */
unsigned int ipi6_ifindex; /* send/recv interface index */