reachable.hon commit t9300: use perl "head -c" clone in place of "dd bs=1 count=16000" kluge (4de0bbd)
   1#ifndef REACHEABLE_H
   2#define REACHEABLE_H
   3
   4extern void mark_reachable_objects(struct rev_info *revs, int mark_reflog);
   5
   6#endif