GCcdataVar         33 lj_cdata.c       MSize extra = sizeof(GCcdataVar) + sizeof(GCcdata) +
GCcdataVar         36 lj_cdata.c       uintptr_t adata = (uintptr_t)p + sizeof(GCcdataVar) + sizeof(GCcdata);
GCcdataVar        279 lj_obj.h       #define cdatav(cd)	((GCcdataVar *)((char *)(cd) - sizeof(GCcdataVar)))