Synch usage() and manpage for b64encode/b64decode.

Make uudecode's usage more like that of other programs.

usr.bin/uudecode/uudecode.c

@@ -352,7 +352,10 @@ base64_decode(const char *stream)
 static void
 usage(void)
 {
-	(void)fprintf(stderr, "usage: uudecode [-cips] [file ...]\n");
-	(void)fprintf(stderr, "usage: uudecode [-i] -o output_file [file]\n");
+	(void)fprintf(stderr,
+"usage: uudecode [-cips] [file ...]\n"
+"       uudecode [-i] -o output_file [file]\n"
+"       b64decode [-cips] [file ...]\n"
+"       b64decode [-i] -o output_file [file]\n");
 	exit(1);
 }

usr.bin/uuencode/uuencode.1

@@ -58,6 +58,9 @@
 .Op Ar file
 .Ar name
 .Nm b64decode
+.Op Fl cips
+.Op Ar
+.Nm b64decode
 .Op Fl i
 .Fl o Ar output_file
 .Op Ar file

usr.bin/uuencode/uuencode.c

@@ -219,6 +219,8 @@ encode(void)
 static void
 usage(void)
 {
-	(void)fprintf(stderr,"usage: uuencode [-m] [-o outfile] [infile] remotefile\n");
+	(void)fprintf(stderr,
+"usage: uuencode [-m] [-o outfile] [infile] remotefile\n"
+"       b64encode [-o outfile] [infile] remotefile\n");
 	exit(1);
 }