- fix bug where we incorrectly rejected ifconfig eth0 hw ether $whatever
- add support for printing ipoib to ifconfig
diff --git a/include/libbb.h b/include/libbb.h
index 216b3ec..6f41184 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -924,6 +924,9 @@
 };
 extern smallint interface_opt_a;
 int display_interfaces(char *ifname);
+#if ENABLE_FEATURE_HWIB
+int in_ib(const char *bufp, struct sockaddr *sap);
+#endif
 const struct aftype *get_aftype(const char *name);
 const struct hwtype *get_hwtype(const char *name);
 const struct hwtype *get_hwntype(int type);