Correct cross-references:

  ng_bpf.8    --> ng_bpf.4
  ng_ether.8  --> ng_ether.4
  ng_iface.8  --> ng_iface.4
  ng_pppoe.8  --> ng_pppoe.4
  ng_socket.8 --> ng_socket.4
  ng_tty.8    --> ng_tty.4
  ng_{type}.4 --> /dev/null

MFC after:	1 week

3 files changed, 5 insertions, 5 deletions

diff --git a/usr.sbin/nghook/nghook.8 b/usr.sbin/nghook/nghook.8
index 0cb050b..c712e17 100644
--- a/usr.sbin/nghook/nghook.8
+++ b/usr.sbin/nghook/nghook.8
@@ -52,7 +52,7 @@ node
 .Sh DESCRIPTION
 .Nm
 creates a
-.Xr ng_socket 8
+.Xr ng_socket 4
 socket type node and connects it to hook
 .Ar hookname
 of the node found at
diff --git a/usr.sbin/ppp/ppp.8 b/usr.sbin/ppp/ppp.8
index df31905..acfd8fc 100644
--- a/usr.sbin/ppp/ppp.8
+++ b/usr.sbin/ppp/ppp.8
@@ -4389,7 +4389,7 @@ If no provider is given, an empty value will be used.
 Refer to
 .Xr netgraph 4
 and
-.Xr ng_pppoe 8
+.Xr ng_pppoe 4
 for further details.
 .Pp
 If a
@@ -5587,7 +5587,7 @@ This socket is used to pass links between different instances of
 .Xr init 8 ,
 .Xr isdn 8 ,
 .Xr named 8 ,
-.Xr ng_pppoe 8 ,
+.Xr ng_pppoe 4 ,
 .Xr ping 8 ,
 .Xr pppctl 8 ,
 .Xr pppd 8 ,
diff --git a/usr.sbin/ppp/ppp.8.m4 b/usr.sbin/ppp/ppp.8.m4
index df31905..acfd8fc 100644
--- a/usr.sbin/ppp/ppp.8.m4
+++ b/usr.sbin/ppp/ppp.8.m4
@@ -4389,7 +4389,7 @@ If no provider is given, an empty value will be used.
 Refer to
 .Xr netgraph 4
 and
-.Xr ng_pppoe 8
+.Xr ng_pppoe 4
 for further details.
 .Pp
 If a
@@ -5587,7 +5587,7 @@ This socket is used to pass links between different instances of
 .Xr init 8 ,
 .Xr isdn 8 ,
 .Xr named 8 ,
-.Xr ng_pppoe 8 ,
+.Xr ng_pppoe 4 ,
 .Xr ping 8 ,
 .Xr pppctl 8 ,
 .Xr pppd 8 ,