Usage style sweep: spell "usage" with a small 'u'.

Also change one case of blatant __progname abuse (several more remain)
This commit does not touch anything in src/{contrib,crypto,gnu}/.

3 files changed, 3 insertions, 3 deletions

diff --git a/share/examples/isdn/contrib/answer.c b/share/examples/isdn/contrib/answer.c
index da19aa9..aac431f 100644
--- a/share/examples/isdn/contrib/answer.c
+++ b/share/examples/isdn/contrib/answer.c
@@ -74,7 +74,7 @@ void readFromPhone (char *path)
 
 void usage (void)
 {
-	fprintf(stderr,"Usage: answer -D device -d destination -s source\n");
+	fprintf(stderr,"usage: answer -D device -d destination -s source\n");
 	exit(1); 
 }
 
diff --git a/share/examples/isdn/contrib/isdnctl b/share/examples/isdn/contrib/isdnctl
index f9de44f..57fab45 100644
--- a/share/examples/isdn/contrib/isdnctl
+++ b/share/examples/isdn/contrib/isdnctl
@@ -24,7 +24,7 @@
 
 
 usage () {
-	echo "Usage: $0 [-i interface] [-f /path/to/users.file] [up|down|show]"
+	echo "usage: $0 [-i interface] [-f /path/to/users.file] [up|down|show]"
 }
 
 # Defaults
diff --git a/share/examples/netgraph/ether.bridge b/share/examples/netgraph/ether.bridge
index acc4a4d..273e4c4 100644
--- a/share/examples/netgraph/ether.bridge
+++ b/share/examples/netgraph/ether.bridge
@@ -167,7 +167,7 @@ case $1 in
 		bridge_stop
 		;;
 	*)
-		echo "Usage: ether.bridge [ start | stop | stats ]"
+		echo "usage: ether.bridge [ start | stop | stats ]"
 		exit 1
 esac