[newlib 36/65] Implement SIOCGIFALIAS.

[Sebastian Huber]

From: "Andrey V. Elsukov" <ae at FreeBSD.org>

It is lightweight way to check if an IPv4 address exists.

Submitted by:	Roy Marples
Reviewed by:	gnn, melifaro
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D26636
---
 newlib/libc/sys/rtems/include/sys/sockio.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/newlib/libc/sys/rtems/include/sys/sockio.h b/newlib/libc/sys/rtems/include/sys/sockio.h
index 03502d770..93b8af28e 100644
--- a/newlib/libc/sys/rtems/include/sys/sockio.h
+++ b/newlib/libc/sys/rtems/include/sys/sockio.h
@@ -84,6 +84,7 @@
 #define	SIOCGIFDESCR	_IOWR('i', 42, struct ifreq)	/* get ifnet descr */ 
 #define	SIOCAIFADDR	 _IOW('i', 43, struct ifaliasreq)/* add/chg IF alias */
 #define	SIOCGIFDATA	 _IOW('i', 44, struct ifreq)	/* get if_data */
+#define	SIOCGIFALIAS	_IOWR('i', 45, struct ifaliasreq)/* get IF alias */
 
 #define	SIOCADDMULTI	 _IOW('i', 49, struct ifreq)	/* add m'cast addr */
 #define	SIOCDELMULTI	 _IOW('i', 50, struct ifreq)	/* del m'cast addr */
-- 
2.35.3