1 files changed, 20 insertions, 5 deletions

diff --git a/src/lib/libc/string/wcstok.3 b/src/lib/libc/string/wcstok.3
index 945ec9b990..33ba1318a1 100644
--- a/src/lib/libc/string/wcstok.3
+++ b/src/lib/libc/string/wcstok.3
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: wcstok.3,v 1.6 2010/09/10 18:38:20 jmc Exp $
+.\"     $OpenBSD: wcstok.3,v 1.7 2011/07/25 00:38:53 schwarze Exp $
 .\"
 .\" $NetBSD: wcstok.3,v 1.3 2003/09/08 17:54:33 wiz Exp $
 .\"
@@ -54,7 +54,7 @@
 .\" Original version ID:
 .\" FreeBSD: src/lib/libc/string/wcstok.3,v 1.4 2002/10/15 09:49:54 tjr Exp
 .\"
-.Dd $Mdocdate: September 10 2010 $
+.Dd $Mdocdate: July 25 2011 $
 .Dt WCSTOK 3
 .Os
 .Sh NAME
@@ -90,8 +90,14 @@ must be provided on each call.
 The
 .Fn wcstok
 function is the wide-character counterpart of the
-.Fn strtok_r
+.Xr strtok_r 3
 function.
+.Pp
+Since
+.Fn wcstok
+modifies the string,
+.Fa str
+should not point to an area in the initialized data segment.
 .Sh RETURN VALUES
 The
 .Fn wcstok
@@ -118,7 +124,9 @@ for (tok = wcstok(text, seps, &last); tok != NULL;
 .Xr wcscspn 3 ,
 .Xr wcspbrk 3 ,
 .Xr wcsrchr 3 ,
-.Xr wcsspn 3
+.Xr wcsspn 3 ,
+.Xr wcsstr 3 ,
+.Xr wmemchr 3
 .Sh STANDARDS
 The
 .Fn wcstok
@@ -126,11 +134,18 @@ function
 conforms to
 .St -isoC-99 .
 .Sh HISTORY
+The
+.Fn wcstok
+function was ported from
+.Nx
+and first appeared in
+.Ox 3.8 .
+.Pp
 Some early implementations of
 .Fn wcstok
 omit the
 context pointer argument,
 .Fa last ,
 and maintain state across calls in a static variable like
-.Fn strtok
+.Xr strtok 3
 does.