PCOPY
#define PCOPY(x) dt->x = pdt->x
#undef PCOPY
#define PCOPY(x) dt->x = pdt->x
#undef PCOPY
#define PCOPY(x) dt->x = pdt->x
#undef PCOPY
#define PCOPY(x) sdt->x = psdt->x
#undef PCOPY
#define PCOPY(x) dt->x = pdt->x
#undef PCOPY
#define PCOPY(x) dt->x = pdt->x
#undef PCOPY