_ha               219 gc/include/private/gc_hdrs.h #   define GET_HDR(p, hhdr) { register hdr ** _ha; GET_HDR_ADDR(p, _ha); \
_ha               220 gc/include/private/gc_hdrs.h 			      (hhdr) = *_ha; }
_ha               221 gc/include/private/gc_hdrs.h #   define SET_HDR(p, hhdr) { register hdr ** _ha; GET_HDR_ADDR(p, _ha); \
_ha               222 gc/include/private/gc_hdrs.h 			      *_ha = (hhdr); }