1 files changed, 12 insertions, 0 deletions
diff --git a/missing.d/dup2.c b/missing.d/dup2.c
new file mode 100644
index 00000000..01068348
--- /dev/null
+++ b/missing.d/dup2.c
@@ -0,0 +1,12 @@
+#ifndef F_DUPFD
+#include <fcntl.h>
+#endif
+
+int
+dup2 (old, new)
+int old, new;
+{
+	(void) close(new);
+
+	return fcntl(old, F_DUPFD, new);
+}