r_next            791 gc/include/private/gc_priv.h 	  struct roots * r_next;
r_next            127 gc/mark_rts.c          p = p -> r_next;
r_next            138 gc/mark_rts.c      p -> r_next = GC_root_index[h];
r_next            248 gc/mark_rts.c        GC_static_roots[n_root_sets].r_next = 0;