add mode bits
diff --git a/man/man3/stat.3 b/man/man3/stat.3
index ff2ac25..a992f9a 100644
--- a/man/man3/stat.3
+++ b/man/man3/stat.3
@@ -170,6 +170,10 @@
 \fL	0x80000000\fP	directory
 \fL	0x40000000\fP	append only
 \fL	0x20000000\fP	exclusive use (locked)
+\fL    0x00800000\fP	Unix device file
+\fL	0x00400000\fP	symbolic link
+\fL	0x00200000\fP	named pipe
+\fL	0x00100000\fP	socket
 
 \fL	      0400\fP	read permission by owner
 \fL	      0200\fP	write permission by owner