1 files changed, 8 insertions, 0 deletions
diff --git a/src/unistd/dup.c b/src/unistd/dup.c
index 7fee0120..02b6a665 100644
--- a/src/unistd/dup.c
+++ b/src/unistd/dup.c
@@ -5,3 +5,11 @@ int dup(int fd)
 {
 	return syscall(SYS_dup, fd);
 }
+
+
+#ifdef TEST
+int
+main(void) {
+	return 0;
+}
+#endif