isnetworktty -> isnettty. ttyent.h has already gone through 3

revisions to match the confusing spelling in getttyent.c (1 to
break it to match the man page and 1 in each of 2 branches to fix
it).  This function seems to be orphaned and unused.

lib/libc/gen/Makefile.inc

@@ -1,5 +1,5 @@
 #	@(#)Makefile.inc	8.6 (Berkeley) 5/4/95
-#	$Id: Makefile.inc,v 1.47 1998/06/12 15:02:02 peter Exp $
+#	$Id: Makefile.inc,v 1.48 1998/07/08 15:42:57 dt Exp $
 
 # machine-independent gen sources
 .PATH: ${.CURDIR}/../libc/${MACHINE_ARCH}/gen ${.CURDIR}/../libc/gen
@@ -79,7 +79,7 @@ MLINKS+=getnetgrent.3 endnetgrent.3 getnetgrent.3 innetgr.3 \
 MLINKS+=getpwent.3 endpwent.3 getpwent.3 getpwnam.3 getpwent.3 getpwuid.3 \
 	getpwent.3 setpassent.3 getpwent.3 setpwent.3 getpwent.3 setpwfile.3
 MLINKS+=getttyent.3 endttyent.3 getttyent.3 getttynam.3 \
-	getttyent.3 isdialuptty.3 getttyent.3 isnetworktty.3 \
+	getttyent.3 isdialuptty.3 getttyent.3 isnettty.3 \
 	getttyent.3 setttyent.3
 MLINKS+=getusershell.3 endusershell.3 getusershell.3 setusershell.3
 MLINKS+=getvfsent.3 endvfsent.3 getvfsent.3 getvfsbytype.3 \

lib/libc/gen/getttyent.3

@@ -41,7 +41,7 @@
 .Nm endttyent
 .Nd get ttys file entry
 .Nm isdialuptty ,
-.Nm isnetworktty
+.Nm isnettty
 .Nd determine tty type from ttys file entry
 .Sh SYNOPSIS
 .Fd #include <ttyent.h>
@@ -56,7 +56,7 @@
 .Ft int
 .Fn isdialuptty "const char *name"
 .Ft int
-.Fn isnetworktty "const char *name"
+.Fn isnettty "const char *name"
 .Sh DESCRIPTION
 The
 .Fn getttyent ,
@@ -113,7 +113,7 @@ will return a non-zero value.
 .It Dv TTY_NETWORK
 Identifies a tty used for network connections.
 If this flag is set, then
-.Fn isnetworktty
+.Fn isnettty
 will return a non-zero value.
 .El
 .It Fa ty_window
@@ -178,7 +178,7 @@ return 0 on failure and 1 on success.
 The routines
 .Fn isdialuptty
 and
-.Fn isnetworktty
+.Fn isnettty
 return non-zero if the dialup or network flag is set for the
 tty entry relating to the tty named by the parameter, and
 zero otherwise.