Correct typos, mostly s/ a / an / where appropriate. Some whitespace cleanup,

especially in troff files.

7 files changed, 50 insertions, 51 deletions

diff --git a/share/examples/ipfilter/examples.txt b/share/examples/ipfilter/examples.txt
index 8444908..a323a84 100644
--- a/share/examples/ipfilter/examples.txt
+++ b/share/examples/ipfilter/examples.txt
@@ -350,7 +350,7 @@ in brackets following the "return-icmp" directive:
 block return-icmp (3) in proto udp from any to any port > 30000
 block return-icmp (port-unr) in proto udp from any to any port > 30000
 
-Those two examples are equivalent, and return a ICMP port unreachable error
+Those two examples are equivalent, and return an ICMP port unreachable error
 packet to in response to any UDP packet received destined for a port greater
 than 30,000.
   ------------------------------------------------------------------------
diff --git a/share/examples/ipfilter/ipf-howto.txt b/share/examples/ipfilter/ipf-howto.txt
index baef95c..73a1ecf 100644
--- a/share/examples/ipfilter/ipf-howto.txt
+++ b/share/examples/ipfilter/ipf-howto.txt
@@ -2182,7 +2182,7 @@ ing.ps.gz>
                             -34-
 
 
-This  is  a ICMP router discovery broadcast.  We can tell by
+This  is an ICMP router discovery broadcast.  We can tell by
 the ICMP type 9/0.
 
 Finally, ipmon also lets us look at the NAT table in action.
diff --git a/share/examples/isdn/FAQ b/share/examples/isdn/FAQ
index b8e5be4..b32ce7b 100644
--- a/share/examples/isdn/FAQ
+++ b/share/examples/isdn/FAQ
@@ -485,16 +485,16 @@ kind of problem to look into his BIOS.
 i4b now works for me, I had a USB-device interfering on IRQ 9,
 which was supposed to be only for my Creatix Card.
 (NetBSD 1.3, Creatix)
-	
+
 Strange enough, my DOS s0-test worked, are they just polling the card?
-	
+
 Even when the testsoftware under DOS is working, don't be shure, that
 your hw-setup is correct for xxx(x)BSD. Triplecheck all your IRQ and
 enable and disable PNP to triple-verify. Even unconfigured devices can
 block your card. .....
-	
+
 And that took me more than 2 months to discover :-((((
-	
+
 			(from Andreas Lohrum, andreas.lohrum@consol.de)
 
 
@@ -1016,7 +1016,7 @@ But I could not use the card, because I forgot
 
 Q: Hi,
 
-   I am trying to set up a ELSA QuickStep 1000pro PCI ISDN adaptor in a FreeBSD
+   I am trying to set up an ELSA QuickStep 1000pro PCI ISDN adaptor in a FreeBSD
    3.3 box. I configured the kernel according to the i4b.ps documentation. At
    boottime, these messages are displayed:
 
diff --git a/share/examples/isdn/Overview b/share/examples/isdn/Overview
index e8e09e2..8313506 100644
--- a/share/examples/isdn/Overview
+++ b/share/examples/isdn/Overview
@@ -18,7 +18,7 @@ Contents:
 	Layer 2
 	Layer 3
 	Debugging control
-	Layer 4    
+	Layer 4
 	ISDN protocol trace
 
 
@@ -43,7 +43,7 @@ Functional block diagram
  | debug |  |     Layer 4 - common call control interface        |   |  ISDN  |
  |control|  |                                                    |   | trace  |
  +:-:-:--+  +----------------------------------------------------+   +--------+
-  : : :          ^                                          ^              ^ 
+  : : :          ^                                          ^              ^
   : : :     Call |           various ptr arrays             | Call         %
   . . .  Control |             in i4b_l3l4.h                | Control      %
                  V                                          V              %
@@ -111,14 +111,14 @@ Layer 1
    routines. These routines handle the card/manufacturer specific stuff
    required to talk to a particular card.
 
-   This addresses of the read/write routines are put into a arrays found
+   The addresses of the read/write routines are put into an array found
    in struct isic_softc and they are later called by the macros:
 
    ISAC_READ(r), ISAC_WRITE(r,v), ISAC_RDFIFO(b,s), ISAC_WRFIFO(b,s),
    HSCX_READ(n,r), HSCX_WRITE(n,r,v), HSCX_RDFIFO(n,b,s), HSCX_WRFIFO(n,b,s)
 
    (see file layer1/i4b_l1.h)
-   
+
    Files currently used for this purpose are
    	- i4b_avm_a1.c    AVM A1 and AVM Fritz!Card drivers
    	- i4b_ctx_s0P.c   Creatix S0 PnP (experimental!)
@@ -256,7 +256,7 @@ Debugging control
     sources. It is only usable for passive cards.
 
 
-Layer 4    
+Layer 4
 =======
 
 (7) Layer 4 is "just" an abstraction layer used to shield the differences
diff --git a/share/examples/isdn/i4brunppp/README b/share/examples/isdn/i4brunppp/README
index ea0ba9a..81ebe75 100644
--- a/share/examples/isdn/i4brunppp/README
+++ b/share/examples/isdn/i4brunppp/README
@@ -3,12 +3,12 @@ $FreeBSD$
 BEWARE: HIGHLY EXPERIMENTAL!
 ---------------------------
 
-This program is used in conjunction with a isdnd.rc entry similar to
+This program is used in conjunction with an isdnd.rc entry similar to
 
 	regexpr = "ULPPP.*call active"   # look for matches in log messages
 	regprog = i4brunppp              # execute program when match is found
 
-this one (see also i4brunppp-isdnd.rc). 
+this one (see also i4brunppp-isdnd.rc).
 
 i4brunppp _must_ be put into /etc/isdn!
 
@@ -16,4 +16,3 @@ When an active call is detected, isdnd fires off i4brunppp, which attaches
 the rbch device used to stdin/stdout and then runs ppp which is given the
 "-direct" command and the string "inc_rbchX" (where X is the i4brbch unit
 number) as arguments.
-
diff --git a/share/examples/isdn/i4brunppp/i4brunppp.c b/share/examples/isdn/i4brunppp/i4brunppp.c
index cb239d8..7d1fe3c 100644
--- a/share/examples/isdn/i4brunppp/i4brunppp.c
+++ b/share/examples/isdn/i4brunppp/i4brunppp.c
@@ -35,8 +35,8 @@
  *
  * BEWARE: HIGHLY EXPERIMENTAL!
  * ---------------------------
- * 
- * This program is used in conjunction with a isdnd.rc entry similar to
+ *
+ * This program is used in conjunction with an isdnd.rc entry similar to
  *
  *  regexpr = "ULPPP.*call active"   # look for matches in log messages
  *  regprog = i4brunppp              # execute program when match is found
@@ -62,7 +62,7 @@
 #include <machine/i4b_ioctl.h>
 #include <machine/i4b_rbch_ioctl.h>
 
-#define I4BDEVICE	"/dev/i4b"	
+#define I4BDEVICE	"/dev/i4b"
 
 #define PPPPROG		"/usr/sbin/ppp"
 #define PPPNAME		"ppp"
@@ -85,21 +85,21 @@ main(int argc, char **argv)
 	char *p = "DeadPointer";
 	int found;
 	int i;
-	
+
 #ifdef PPPDEBUG
 	FILE *dfp;
 	time_t tim;
         register struct tm *tp;
 #endif
-	
+
 	/* open syslog */
-	
+
 	(void)openlog("i4brunppp", LOG_PID|LOG_CONS|LOG_NDELAY, LOG_USER);
 
 #ifdef PPPDEBUG
 
 	/* open debug log */
-	
+
 	if((dfp = fopen("/tmp/i4brunppp-debug.log", "a")) == NULL)
 	{
 		syslog(LOG_INFO, "cannot open logfile: %s", strerror(errno));
@@ -116,9 +116,9 @@ main(int argc, char **argv)
 #endif
 
 	/* check if this is the right message */
-	
+
 	found = 0;
-	
+
 	for(i=0; i < argc; i++)
 	{
 		if((strstr(argv[i], VERIFYSTRING)) != NULL)
@@ -135,11 +135,11 @@ main(int argc, char **argv)
 #endif
 		exit(0);
 	}
-		
+
 	found = 0;
 
 	/* check if we got a good device name */
-	
+
 	for(; i < argc; i++)
 	{
 		if((p = strstr(argv[i], DEVSTRING)) != NULL)
@@ -157,10 +157,10 @@ main(int argc, char **argv)
 		exit(0);
 	}
 
-	/* everything ok, now prepare for running ppp */	
+	/* everything ok, now prepare for running ppp */
 
 	/* close all file descriptors */
-	
+
 	i = getdtablesize();
 
 	for(;i >= 0; i--)
@@ -168,7 +168,7 @@ main(int argc, char **argv)
 		close(i);
 
 	/* fiddle a terminating zero after the rbch unit number */
-	
+
 	p += strlen(DEVSTRING);
 
 	if(isdigit(*p) && isdigit(*(p+1)))
@@ -177,16 +177,16 @@ main(int argc, char **argv)
 		*(p+1) = '\0';
 
 	/* construct /dev/i4brbchX device name */
-	
+
 	sprintf(buffer, "%s%s%s", I4BDEVICE, DEVSTRING, p);
 
 	/* open the rbch device as fd 0 = stdin */
-	
+
 	rbch_fd = open(buffer, O_RDWR);
 
 	if(rbch_fd != 0)
 	{
-		if(rbch_fd < 0)		
+		if(rbch_fd < 0)
 			syslog(LOG_INFO, "cannot open %s: %s", buffer, strerror(errno));
 		else
 			syslog(LOG_INFO, "cannot open %s as fd 0 (is %d): %s", buffer, rbch_fd, strerror(errno));
@@ -194,10 +194,10 @@ main(int argc, char **argv)
 	}
 
 	/* dup rbch device fd as fd 1 = stdout */
-	
+
 	if((i = dup(rbch_fd)) != 1)
 	{
-		if(i < 0)		
+		if(i < 0)
 			syslog(LOG_INFO, "cannot dup rbch_fd: %s", strerror(errno));
 		else
 			syslog(LOG_INFO, "cannot dup rbch as fd 1 (is %d): %s", i, strerror(errno));
@@ -205,13 +205,13 @@ main(int argc, char **argv)
 	}
 
 	/* construct the label for ppp's ppp.conf file */
-	
+
 	sprintf(buffer, "%s%s%s", PPPLABEL, DEVSTRING, p);
 
 	syslog(LOG_INFO, "executing: %s %s %s %s", PPPPROG, PPPNAME, PPPARG1, buffer);
 
 	/* execute ppp */
-	
+
 	if((execl(PPPPROG, PPPNAME, PPPARG1, buffer, NULL)) == -1)
 	{
 		syslog(LOG_INFO, "cannot exec: %s", strerror(errno));
diff --git a/share/examples/ppp/ppp.conf.sample b/share/examples/ppp/ppp.conf.sample
index db6cdf1..9d0539d 100644
--- a/share/examples/ppp/ppp.conf.sample
+++ b/share/examples/ppp/ppp.conf.sample
@@ -108,7 +108,7 @@ PAPorCHAPpmdemand:
 #
 #  With static IP numbers, our setup is similar to dynamic:
 #  Remember, ppp.linkup is searched for a "192.244.176.44" label, then
-#  a "ondemand" label, and finally the "MYADDR" label.
+#  an "ondemand" label, and finally the "MYADDR" label.
 #
 ondemand:
  set phone 1234567
@@ -354,16 +354,16 @@ dodgynet:
     # If the remote host allowed IP forwarding and we wanted to use it, the
     # following rules could be split into two groups to separately validate
     # the source and destination addresses.
-    set filter dial  7 permit 172.17.16.0/20  172.17.20.248 
-    set filter dial  8 permit 172.17.36.0/22  172.17.20.248 
-    set filter dial  9 permit 172.17.118.0/26 172.17.20.248 
-    set filter dial 10 permit 10.123.5.0/24   172.17.20.248 
+    set filter dial  7 permit 172.17.16.0/20  172.17.20.248
+    set filter dial  8 permit 172.17.36.0/22  172.17.20.248
+    set filter dial  9 permit 172.17.118.0/26 172.17.20.248
+    set filter dial 10 permit 10.123.5.0/24   172.17.20.248
 
     # Once the link's up, limit outgoing access to the specified hosts
-    set filter out  0 4      172.17.16.0/20  172.17.20.248 
-    set filter out  1 4      172.17.36.0/22  172.17.20.248 
-    set filter out  2 4      172.17.118.0/26 172.17.20.248 
-    set filter out  3 deny ! 10.123.5.0/24   172.17.20.248 
+    set filter out  0 4      172.17.16.0/20  172.17.20.248
+    set filter out  1 4      172.17.36.0/22  172.17.20.248
+    set filter out  2 4      172.17.118.0/26 172.17.20.248
+    set filter out  3 deny ! 10.123.5.0/24   172.17.20.248
 
     # Allow established TCP connections
     set filter out  4 permit 0 0 tcp estab
@@ -481,7 +481,7 @@ direct-client:
  set ifaddr 10.0.4.2 10.0.4.1
  enable lqr
  accept lqr
- 
+
 direct-server:
  set timeout 0
  set lqrperiod 10
@@ -567,7 +567,7 @@ inet-loop:
  set login
  set ifaddr 127.0.0.2 127.0.0.3
  set server /var/run/ppp/loop "" 0177
- 
+
 inet-loop-in:
  set timeout 0
  set log phase lcp ipcp command
@@ -687,8 +687,8 @@ mloop:
  clone 1 2 3
  link deflink remove
  # dial
- # link 2 dial 
- # link 3 dial 
+ # link 2 dial
+ # link 3 dial
 
 mloop-in:
  set timeout 0                                 # No idle timer
@@ -780,10 +780,10 @@ loop:
  set device "!ppp -direct loop-in"
  set dial
  set login
- set ifaddr 10.0.1.1/0 10.0.10.1-10.0.19.255   
+ set ifaddr 10.0.1.1/0 10.0.10.1-10.0.19.255
  disable deflate pred1 mppe
  deny deflate pred1 mppe
- 
+
 loop-in:
  set timeout 0
  set log