diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index da7a67bfe..1c89f4a7d 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -27,6 +27,7 @@
 
 #include "rt_names.h"
 #include "utils.h"
+#include "ip_common.h"
 
 #include "libbb.h"
 
diff --git a/networking/libiproute/iptunnel.c b/networking/libiproute/iptunnel.c
index 85c6099ed..52396efe8 100644
--- a/networking/libiproute/iptunnel.c
+++ b/networking/libiproute/iptunnel.c
@@ -36,6 +36,7 @@
 
 #include "rt_names.h"
 #include "utils.h"
+#include "ip_common.h"
 
 #include "libbb.h"
 
diff --git a/networking/libiproute/ll_map.c b/networking/libiproute/ll_map.c
index b7a828421..46c873faa 100644
--- a/networking/libiproute/ll_map.c
+++ b/networking/libiproute/ll_map.c
@@ -16,6 +16,7 @@
 #include <netinet/in.h>
 
 #include "libnetlink.h"
+#include "ll_map.h"
 
 struct idxmap
 {
diff --git a/networking/libiproute/rt_names.c b/networking/libiproute/rt_names.c
index ff93c9e72..5206c4b40 100644
--- a/networking/libiproute/rt_names.c
+++ b/networking/libiproute/rt_names.c
@@ -13,6 +13,7 @@
 #include <string.h>
 
 #include <stdint.h>
+#include "rt_names.h"
 
 static void rtnl_tab_initialize(char *file, char **tab, int size)
 {
diff --git a/networking/libiproute/rt_names.h b/networking/libiproute/rt_names.h
index 97bc6169f..ed090a13b 100644
--- a/networking/libiproute/rt_names.h
+++ b/networking/libiproute/rt_names.h
@@ -3,28 +3,26 @@
 
 #include <stdint.h>
 
-const char* rtnl_rtprot_n2a(int id, char *buf, int len);
-const char* rtnl_rtscope_n2a(int id, char *buf, int len);
-const char* rtnl_rttable_n2a(int id, char *buf, int len);
-const char* rtnl_rtrealm_n2a(int id, char *buf, int len);
-const char* rtnl_dsfield_n2a(int id, char *buf, int len);
-int rtnl_rtprot_a2n(int *id, char *arg);
-int rtnl_rtscope_a2n(int *id, char *arg);
-int rtnl_rttable_a2n(int *id, char *arg);
-int rtnl_rtrealm_a2n(uint32_t *id, char *arg);
-int rtnl_dsfield_a2n(uint32_t *id, char *arg);
-
-const char *inet_proto_n2a(int proto, char *buf, int len);
-int inet_proto_a2n(char *buf);
+extern const char* rtnl_rtprot_n2a(int id, char *buf, int len);
+extern const char* rtnl_rtscope_n2a(int id, char *buf, int len);
+extern const char* rtnl_rttable_n2a(int id, char *buf, int len);
+extern const char* rtnl_rtrealm_n2a(int id, char *buf, int len);
+extern const char* rtnl_dsfield_n2a(int id, char *buf, int len);
+extern int rtnl_rtprot_a2n(uint32_t *id, char *arg);
+extern int rtnl_rtscope_a2n(uint32_t *id, char *arg);
+extern int rtnl_rttable_a2n(uint32_t *id, char *arg);
+extern int rtnl_rtrealm_a2n(uint32_t *id, char *arg);
+extern int rtnl_dsfield_a2n(uint32_t *id, char *arg);
 
 
-const char * ll_type_n2a(int type, char *buf, int len);
+extern const char * ll_type_n2a(int type, char *buf, int len);
 
-const char *ll_addr_n2a(unsigned char *addr, int alen, int type, char *buf, int blen);
-int ll_addr_a2n(unsigned char *lladdr, int len, char *arg);
+extern const char *ll_addr_n2a(unsigned char *addr, int alen, int type,
+				char *buf, int blen);
+extern int ll_addr_a2n(unsigned char *lladdr, int len, char *arg);
 
-const char * ll_proto_n2a(unsigned short id, char *buf, int len);
-int ll_proto_a2n(unsigned short *id, char *buf);
+extern const char * ll_proto_n2a(unsigned short id, char *buf, int len);
+extern int ll_proto_a2n(unsigned short *id, char *buf);
 
 
 #endif