#ifdef HAVE_SYS_SYSCTL_H
#ifdef GNU_LINUX
#include <linux/types.h>
-#endif
+#else
#include <sys/sysctl.h>
+#endif
#endif /* HAVE_SYS_SYSCTL_H */
#include <sys/ioctl.h>
#ifdef HAVE_SYS_CONF_H
AFI_MAX = 4
} afi_t;
+#define IS_VALID_AFI(a) ((a) > AFI_UNSPEC && (a) < AFI_MAX)
+
/* Subsequent Address Family Identifier. */
typedef enum {
SAFI_UNSPEC = 0,