s/curses/ncurses/

PR:             docs/17061
Submitted by:   Udo Erdelhoff <ue@nathan.ruhr.de>

share/man/man3/intro.3

@@ -88,7 +88,7 @@ storage allocation, time functions, signal handling and more.
 Terminal independent screen management routines
 for two dimensional non-bitmap display terminals.
 (See
-.Xr curses 3 . )
+.Xr ncurses 3 . )
 .It Xr libcompat Pq Fl l Ns Ar compat
 Functions which are obsolete but are available for compatibility with
 .Bx 4.3 .

share/termcap/termcap.5

@@ -71,7 +71,7 @@ for example,
 by
 .Xr \&vi 1
 and
-.Xr curses 3 .
+.Xr ncurses 3 .
 Terminals are described in
 .Nm
 by giving a set of capabilities that they have and by describing
@@ -2103,7 +2103,7 @@ Hash database file containing terminal descriptions (see
 .Xr tset 1 ,
 .Xr ul 1 ,
 .Xr vi 1 ,
-.Xr curses 3 ,
+.Xr ncurses 3 ,
 .Xr printf 3 ,
 .Xr termcap 3 ,
 .Xr term 5

usr.bin/systat/systat.1

@@ -46,7 +46,7 @@
 .Nm Systat
 displays various system statistics in a screen oriented fashion
 using the curses screen display library,
-.Xr curses 3 .
+.Xr ncurses 3 .
 .Pp
 While
 .Nm