mvwvline
mvwvline(WINDOW *win, int y, int x, chtype c, int n)
#define mvwvline(w,y,x,ch,n) (wmove(w,y,x)?ERR:wvline(w,ch,n))
#undef mvwvline
mvwvline(WINDOW *w, int y, int x, chtype v, int n)
#define mvwvline(w, y, x, ch, n) \
#undef mvwvline
mvwvline(WINDOW *w, int y, int x, chtype v, int n)