mvwgetnstr
#define mvwgetnstr(w,y,x,s,n) (wmove(w,y,x)?ERR:wgetnstr(w,s,n))
#define mvwgetnstr(w, y, x, s, n) \
#undef mvwgetnstr
mvwgetnstr(WINDOW *w, int y, int x, char *str, int n)