extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
+extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, int,
+ int (*)(struct sock *, int, int, char __user *, int));
+extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
+ int __user *, int (*)(struct sock *, int, int, char __user *,
+ int __user *));
+
#endif /* NET_COMPAT_H */