set IP_PKTINFO on controlfd for recvfromto

[l2tpns.git] / util.h

diff --git a/util.h b/util.h
index 145559b..ee066f6 100644 (file)
--- a/util.h
+++ b/util.h
@@ -4,5 +4,10 @@
 char *fmtaddr(in_addr_t addr, int n);
 void *shared_malloc(unsigned int size);
 pid_t fork_and_close(void);
+ssize_t sendtofrom(int s, void const *buf, size_t len, int flags,
+    struct sockaddr const *to, socklen_t tolen, struct in_addr const *from);
+
+ssize_t recvfromto(int s, void *buf, size_t len, int flags,
+    struct sockaddr *from, socklen_t *fromlen, struct in_addr *toaddr);
 
 #endif /* __UTIL_H__ */