--- libteam-1.17/teamd/teamd_phys_port_check.c
+++ libteam-1.17/teamd/teamd_phys_port_check.c.new
@@ -17,6 +17,7 @@
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include <string.h>
 #include <stdio.h>
 #include <errno.h>
 #include <sys/types.h>