--- bridge-utils-1.0.4/libbridge/libbridge_private.h~ 2004-05-28 21:38:38.000000000 +0100 +++ bridge-utils-1.0.4/libbridge/libbridge_private.h 2004-07-01 11:24:21.000000000 +0100 @@ -22,6 +22,7 @@ #include "config.h" #include <linux/sockios.h> +#include <unistd.h> #include <sys/time.h> #include <sys/ioctl.h> #include <linux/if_bridge.h>