GET_HDR           195 gc/include/private/gc_hdrs.h #   define GET_HDR(p, hhdr) (hhdr) = HDR(p)
GET_HDR           219 gc/include/private/gc_hdrs.h #   define GET_HDR(p, hhdr) { register hdr ** _ha; GET_HDR_ADDR(p, _ha); \