diff --git a/src/env/__libc_csu_fini.c b/src/env/__libc_csu_fini.c
new file mode 100644
index 0000000000000000000000000000000000000000..3671efba9be214961f9fc501b379453ecc35544d
--- /dev/null
+++ b/src/env/__libc_csu_fini.c
@@ -0,0 +1,5 @@
+#include "libc.h"
+
+void __libc_csu_fini()
+{
+}
diff --git a/src/env/__libc_csu_init.c b/src/env/__libc_csu_init.c
new file mode 100644
index 0000000000000000000000000000000000000000..4f68d19dce4e5f00dff4c849d7269dac37edfcd3
--- /dev/null
+++ b/src/env/__libc_csu_init.c
@@ -0,0 +1,5 @@
+#include "libc.h"
+
+void __libc_csu_init(int argc, char **argv, char **envp)
+{
+}