varint.hon commit merge-recursive: provide pair of `unpack_trees_{start,finish}()` (3f1c1c3)
   1#ifndef VARINT_H
   2#define VARINT_H
   3
   4extern int encode_varint(uintmax_t, unsigned char *);
   5extern uintmax_t decode_varint(const unsigned char **);
   6
   7#endif /* VARINT_H */