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-rw-r--r--lib/libnetgraph/netgraph.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libnetgraph/netgraph.h b/lib/libnetgraph/netgraph.h
index c5a87cb..d0f402c 100644
--- a/lib/libnetgraph/netgraph.h
+++ b/lib/libnetgraph/netgraph.h
@@ -48,9 +48,9 @@
__BEGIN_DECLS
int NgMkSockNode(const char *, int *, int *);
-int NgNameNode(int, const char *, const char *, ...);
+int NgNameNode(int, const char *, const char *, ...) __printflike(3, 4);
int NgSendMsg(int, const char *, int, int, const void *, size_t);
-int NgSendAsciiMsg(int, const char *, const char *, ...);
+int NgSendAsciiMsg(int, const char *, const char *, ...) __printflike(3, 4);
int NgSendReplyMsg(int, const char *,
const struct ng_mesg *, const void *, size_t);
int NgRecvMsg(int, struct ng_mesg *, size_t, char *);
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