1 files changed, 4 insertions, 0 deletions
diff --git a/src/libc/syscall.c b/src/libc/syscall.c
index f44c775..c6e3762 100644
--- a/src/libc/syscall.c
+++ b/src/libc/syscall.c
@@ -98,6 +98,10 @@ hid_t _sys_getnull(int flags) {
 	return (hid_t)_syscall(_SYS_GETNULL, (long)flags, 0, 0, 0, 0);
 }
 
+long _sys_duplex(hid_t from, hid_t to, int flags) {
+	return _syscall(_SYS_DUPLEX, (long)from, (long)to, (long)flags, 0, 0);
+}
+
 long _sys_execbuf(void __user *buf, size_t len) {
 	return _syscall(_SYS_EXECBUF, (long)buf, (long)len, 0, 0, 0);
 }