1 files changed, 12 insertions, 0 deletions
diff --git a/src/unistd/dup.c b/src/unistd/dup.c
new file mode 100644
index 00000000..badc0f86
--- /dev/null
+++ b/src/unistd/dup.c
@@ -0,0 +1,12 @@
+#include "stddef.h"
+#include "sys/types.h"
+#include <unistd.h>
+#include "fcntl.h"
+
+int dup(int fildes)
+{
+	return fcntl(fildes, F_DUPFD, 0);
+}
+/*
+POSIX(1)
+*/