--- /dev/null
+++ Libc/Libc-1244.30.3/stdlib/qsort_b.c
@@ -0,0 +1,11 @@
+#include <stdlib.h>
+#include <Block_private.h>
+
+typedef int cmp_t(const void *, const void *);
+
+void
+qsort_b(void *base, size_t nel, size_t width, cmp_t ^cmp_b)
+{
+    void *cmp_f = ((struct Block_layout *)cmp_b)->invoke;
+	qsort_r(base, nel, width, cmp_b, (void*)cmp_f);
+}