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-rw-r--r--cpukit/libnetworking/net/if_arp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/cpukit/libnetworking/net/if_arp.h b/cpukit/libnetworking/net/if_arp.h
index 165471777f..f64da8b693 100644
--- a/cpukit/libnetworking/net/if_arp.h
+++ b/cpukit/libnetworking/net/if_arp.h
@@ -37,6 +37,8 @@
#ifndef _NET_IF_ARP_H_
#define _NET_IF_ARP_H_
+#include <sys/socket.h> /* struct sockaddr */
+
/*
* Address Resolution Protocol.
*