+void setwnd(short wndnum){
+/* change windows -- OK for this to be a no-op in tty mode */
+#ifdef SERGEEV
+ int cury;
+ cury=wherey()+wnds[curwnd].wndtop-wnds[wndnum].wndtop;
+ if ((curwnd==0)&&(wndnum!=0)) clrscr();
+ window(wnds[wndnum].wndleft, wnds[wndnum].wndtop, wnds[wndnum].wndright, wnds[wndnum].wndbottom);
+ if ((curwnd==wndnum)&&(cury>wnds[wndnum].wndbottom-wnds[wndnum].wndtop+1)){
+ gotoxy(wnds[wndnum].wndright-wnds[wndnum].wndleft+1,wnds[wndnum].wndbottom-wnds[wndnum].wndtop+1);
+ skip(1);
+ }
+ curwnd=wndnum;
+ gotoxy(1,cury);
+#endif /* SERGEEV */
+}
+