pinned_object    5896 src/alloc.c      struct pinned_object *next;
pinned_object    5936 src/alloc.c              struct pinned_object *o = xmalloc (sizeof *o);
pinned_object    6183 src/alloc.c      for (struct pinned_object *pobj = pinned_objects; pobj; pobj = pobj->next)