Index: ps.c
===================================================================
RCS file: /cvsroot/src/bin/ps/ps.c,v
retrieving revision 1.71.4.1
diff -u -w -p -u -w -p -r1.71.4.1 ps.c
--- ps.c	1 Apr 2009 00:25:20 -0000	1.71.4.1
+++ ps.c	2 Jan 2010 08:17:14 -0000
@@ -295,6 +295,12 @@ main(int argc, char *argv[])
 				(void)snprintf(pathbuf,
 				    sizeof(pathbuf), "%s%s", _PATH_DEV, ttname);
 				ttypath = pathbuf;
+			} else if ((*ttname >= '1' && *ttname <= '9') ||
+				   (*ttname == '0' && *(ttname+1) == '\0')) {
+				(void)snprintf(pathbuf,
+				    sizeof(pathbuf), "%s%s", _PATH_DEV_PTS,
+				    ttname);
+				ttypath = pathbuf;
 			} else if (*ttname != '/') {
 				(void)snprintf(pathbuf,
 				    sizeof(pathbuf), "%s%s", _PATH_TTY, ttname);