The file command currently prints out the lower byte only of device types... or '' if not ascii.

% file /dev/kbmap
/dev/kbmap: special file #/kbmap

Now prints the rune.

Reference: /n/sources/patch/applied/file-devtype
Date: Sat Sep  4 17:26:44 CES 2010
Signed-off-by: 9@trstn.net

--- /sys/src/cmd/file.c	Sat Sep  4 17:19:29 2010
+++ /sys/src/cmd/file.c	Sat Sep  4 17:19:28 2010
@@ -339,7 +339,7 @@
 		return;
 	}
 	if(mbuf->type != 'M' && mbuf->type != '|') {
-		print(mime ? OCTET : "special file #%c/%s\n",
+		print(mime ? OCTET : "special file #%C/%s\n",
 			mbuf->type, mbuf->name);
 		return;
 	}