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authorKacper <kacper@mail.openlinux.dev>2025-12-07 20:10:31 +0100
committerKacper <kacper@mail.openlinux.dev>2025-12-07 20:10:31 +0100
commitfc00c656c96528112d05cf0edf8631bd5eaea446 (patch)
treea6e0e6c588191a8bd1c64afc3b7a258e3e66c236 /lib/libc/socket/sockatmark.c
Add build system scaffolding and libc headers
Diffstat (limited to 'lib/libc/socket/sockatmark.c')
-rw-r--r--lib/libc/socket/sockatmark.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libc/socket/sockatmark.c b/lib/libc/socket/sockatmark.c
new file mode 100644
index 00000000..f7178aa0
--- /dev/null
+++ b/lib/libc/socket/sockatmark.c
@@ -0,0 +1,8 @@
+#include <syscall.h>
+#include <asm-generic/sockios.h>
+
+int sockatmark(int s)
+{
+ int arg = 0;
+ return syscall(ioctl, s, SIOCATMARK, &arg) < 0 ? -1 : arg;
+}