flp               909 gc/reclaim.c   void GC_clear_fl_links(flp)
flp               910 gc/reclaim.c   ptr_t *flp;
flp               912 gc/reclaim.c       ptr_t next = *flp;
flp               915 gc/reclaim.c          *flp = 0;
flp               916 gc/reclaim.c          flp = &(obj_link(next));
flp               917 gc/reclaim.c          next = *flp;