<sys/select.h> is needed before <net80211/ieee80211_ioctl.h> on OpenBSD
to define NBBY and shut up compiler warnings.
#include <ifaddrs.h>
#include <stdio.h>
#include <string.h>
-#include <sys/socket.h>
#include <sys/ioctl.h>
+#include <sys/socket.h>
#include <unistd.h>
#include "../util.h"
#include <net/if.h>
#include <net/if_media.h>
#include <net80211/ieee80211.h>
+ #include <sys/select.h> /* before <sys/ieee80211_ioctl.h> for NBBY */
#include <net80211/ieee80211_ioctl.h>
#include <stdlib.h>
#include <sys/types.h>