mvgetn_wstr
#define mvgetn_wstr(y,x,wcs,n) (move(y,x)?ERR:getn_wstr(wcs,n))
#define mvgetn_wstr(y, x, wcs, n) \
#undef mvgetn_wstr
mvgetn_wstr(int y, int x, wint_t *wis, int n)