#ifndef __ZEBRA_KERNEL_SOCKET_H
#define __ZEBRA_KERNEL_SOCKET_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* Error codes of zebra. */
#define ZEBRA_ERR_NOERROR 0
#define ZEBRA_ERR_RTEXIST -1
#define ZEBRA_ERR_RTNOEXIST -4
#define ZEBRA_ERR_KERNEL -5
-extern void rtm_read (struct rt_msghdr *);
-extern int ifam_read (struct ifa_msghdr *);
-extern int ifm_read (struct if_msghdr *);
-extern int rtm_write (int, union sockunion *, union sockunion *,
- union sockunion *, union sockunion *,
- unsigned int, int, int);
+extern void rtm_read(struct rt_msghdr *);
+extern int ifam_read(struct ifa_msghdr *);
+extern int ifm_read(struct if_msghdr *);
+extern int rtm_write(int, union sockunion *, union sockunion *,
+ union sockunion *, union sockunion *, unsigned int,
+ enum blackhole_type, int);
extern const struct message rtm_type_str[];
+#ifdef __cplusplus
+}
+#endif
+
#endif /* __ZEBRA_KERNEL_SOCKET_H */