Index: b/usr/src/uts/common/netinet/ip.h
===================================================================
--- a/usr/src/uts/common/netinet/ip.h	2014-03-01 22:52:30.198757216 +0400
+++ b/usr/src/uts/common/netinet/ip.h	2014-03-01 22:53:50.869533665 +0400
@@ -27,6 +27,7 @@
 /* ip.h 1.13 88/08/19 SMI; from UCB 7.6.1.1 3/15/88	*/
 
 #include <sys/isa_defs.h>
+#include <netinet/in.h>
 
 #ifdef	__cplusplus
 extern "C" {