From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/network/sockatmark.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 src/network/sockatmark.c

(limited to 'src/network/sockatmark.c')

diff --git a/src/network/sockatmark.c b/src/network/sockatmark.c
new file mode 100644
index 0000000..f474551
--- /dev/null
+++ b/src/network/sockatmark.c
@@ -0,0 +1,10 @@
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+
+int sockatmark(int s)
+{
+	int ret;
+	if (ioctl(s, SIOCATMARK, &ret) < 0)
+		return -1;
+	return ret;
+}
-- 
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