wcopy
wcopy(crtAt + vs.ncol * cx,
wcopy(Crtat + vs.ncol * cx,
wcopy(crtAt,
wcopy(Crtat,
wcopy(Crtat + vs.ncol, Crtat,
static inline void wcopy(void *, void *, u_int);
wcopy(addr, p, size);
wcopy(p, addr, size);
void wcopy(const void *, void *, u_int);