--- /dev/null
+/* VMS-specific "#include" directives for IP. */
+
+#ifdef MULTINET
+
+#include "multinet_root:[multinet.include.sys]types.h"
+#include "multinet_root:[multinet.include]errno.h"
+#include "multinet_root:[multinet.include]netdb.h"
+
+#else /* MULTINET */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <netdb.h>
+
+#if __CRTL_VER < 70000000
+#define h_errno errno /* Quiets the compiler, but probably ineffective. */
+#endif /* __CRTL_VER < 70000000 */
+
+#endif /* MULTINET */