1 files changed, 19 insertions, 11 deletions

diff --git a/src/lib/libc/string/strspn.3 b/src/lib/libc/string/strspn.3
index 4de03aa58b..ca965aeb18 100644
--- a/src/lib/libc/string/strspn.3
+++ b/src/lib/libc/string/strspn.3
@@ -33,8 +33,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"     from: @(#)strspn.3      5.3 (Berkeley) 6/29/91
-.\"     $Id: strspn.3,v 1.1.1.1 1995/10/18 08:42:23 deraadt Exp $
+.\"     $OpenBSD: strspn.3,v 1.6 2000/04/21 15:24:20 aaron Exp $
 .\"
 .Dd June 29, 1991
 .Dt STRSPN 3
@@ -48,9 +47,8 @@
 .Fn strspn "const char *s" "const char *charset"
 .Sh DESCRIPTION
 The
-.Xr strcspn
-function
-spans the initial part of the null-terminated string
+.Fn strspn
+function spans the initial part of the null-terminated string
 .Fa s
 as long as the characters from
 .Fa s
@@ -59,12 +57,23 @@ occur in string
 .Sh RETURN VALUES
 The
 .Fn strspn
-function
-returns the number of characters spanned.
+function returns the number of characters spanned.
+.Sh EXAMPLES
+The following call to
+.Fn strspn
+will return 3, since the first three characters of string
+.Fa s
+are part of string
+.Fa charset :
+.Bd -literal -offset indent
+char *s = "foobar";
+char *charset = "of";
+size_t span;
+
+span = strspn(s, charset);
+.Ed
 .Sh SEE ALSO
-.Xr index 3 ,
 .Xr memchr 3 ,
-.Xr rindex 3 ,
 .Xr strchr 3 ,
 .Xr strcspn 3 ,
 .Xr strpbrk 3 ,
@@ -75,6 +84,5 @@ returns the number of characters spanned.
 .Sh STANDARDS
 The
 .Fn strspn
-function
-conforms to
+function conforms to
 .St -ansiC .