1 files changed, 13 insertions, 0 deletions
diff --git a/os/windows/posix/include/arpa/inet.h b/os/windows/posix/include/arpa/inet.h
index 7e3bfb7e..59c50ad1 100644
--- a/os/windows/posix/include/arpa/inet.h
+++ b/os/windows/posix/include/arpa/inet.h
@@ -5,6 +5,19 @@
 #include <inttypes.h>
 
 typedef int socklen_t;
+typedef int in_addr_t;
+
+#define IP_MULTICAST_IF 2
+#define IP_MULTICAST_TTL 3
+#define IP_ADD_MEMBERSHIP 5
+
+struct ip_mreq
+{
+	struct in_addr imr_multiaddr;
+	struct in_addr imr_interface;
+};
+
+in_addr_t inet_network(const char *cp);
 
 const char *inet_ntop(int af, const void *restrict src,
         char *restrict dst, socklen_t size);