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-rw-r--r--include/sys/socket.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/sys/socket.h b/include/sys/socket.h
index 9caf1bbdf5..99f60363a1 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -91,9 +91,11 @@ extern ssize_t __libc_sendmsg (int __fd, const struct msghdr *__message,
 extern ssize_t __sendmsg (int __fd, const struct msghdr *__message,
 			  int __flags) attribute_hidden;
 
+#ifdef __USE_GNU
 extern int __sendmmsg (int __fd, struct mmsghdr *__vmessages,
                        unsigned int __vlen, int __flags);
 libc_hidden_proto (__sendmmsg)
+#endif
 
 /* Receive a message as described by MESSAGE from socket FD.
    Returns the number of bytes read or -1 for errors.  */