1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libc/net/if_nameindex.c b/src/lib/libc/net/if_nameindex.c
index 8643397db2..9e4a71faa9 100644
--- a/src/lib/libc/net/if_nameindex.c
+++ b/src/lib/libc/net/if_nameindex.c
@@ -38,6 +38,7 @@
 #include <net/if.h>
 #include <net/if_dl.h>
 #include <errno.h>
+#include <unistd.h>
 #include <string.h>
 
 struct if_nameindex *
@@ -48,7 +49,6 @@ if_nameindex(void)
         struct ifconf ifconf;
         char    lastname[IFNAMSIZ], *c, *inbuf;
         struct if_nameindex *n;
-        struct sockaddr_dl *sd;
         struct sockaddr *sa;
         void   *p;