tftp.1:

- Add the optional port argument to SYNOPSIS.
main.c:
- Sync usage with the manual page.

Approved by:	trhodes (main.c part)
Obtained from:	OpenBSD (jmc)
MFC after:	2 weeks

usr.bin/tftp/main.c

@@ -258,7 +258,7 @@ setpeer(argc, argv)
 		argv = margv;
 	}
 	if ((argc < 2) || (argc > 3)) {
-		printf("usage: %s host-name [port]\n", argv[0]);
+		printf("usage: %s [host [port]]\n", argv[0]);
 		return;
 	}
 	if (argc == 3)
@@ -424,8 +424,8 @@ static void
 putusage(s)
 	char *s;
 {
-	printf("usage: %s file ... host:target, or\n", s);
-	printf("       %s file ... target (when already connected)\n", s);
+	printf("usage: %s file [[host:]remotename]\n", s);
+	printf("       %s file1 file2 ... fileN [[host:]remote-directory]\n", s);
 }
 
 /*
@@ -507,8 +507,8 @@ static void
 getusage(s)
 	char *s;
 {
-	printf("usage: %s host:file host:file ... file, or\n", s);
-	printf("       %s file file ... file if connected\n", s);
+	printf("usage: %s [host:]file [localname]\n", s);
+	printf("       %s [host1:]file1 [host2:]file2 ... [hostN:]fileN\n", s);
 }
 
 int	rexmtval = TIMEOUT;

usr.bin/tftp/tftp.1

@@ -40,7 +40,7 @@
 .Nd trivial file transfer program
 .Sh SYNOPSIS
 .Nm
-.Op Ar host
+.Op Ar host Op Ar port
 .Sh DESCRIPTION
 The
 .Nm