--- /dev/null
+#ifndef CCAN_ALLOC_BITOPS_H
+#define CCAN_ALLOC_BITOPS_H
+unsigned int fls(unsigned long val);
+unsigned int ffsl(unsigned long val);
+unsigned int popcount(unsigned long val);
+unsigned long align_up(unsigned long x, unsigned long align);
+#endif /* CCAN_ALLOC_BITOPS_H */