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-rw-r--r--lib/libc/stdlib/strtoul.37
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/libc/stdlib/strtoul.3 b/lib/libc/stdlib/strtoul.3
index fd6a235309f..0e804ec3f9e 100644
--- a/lib/libc/stdlib/strtoul.3
+++ b/lib/libc/stdlib/strtoul.3
@@ -33,7 +33,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.\" $OpenBSD: strtoul.3,v 1.12 2003/03/06 18:19:26 kjell Exp $
+.\" $OpenBSD: strtoul.3,v 1.13 2003/04/21 21:49:40 millert Exp $
.\"
.Dd June 25, 1992
.Dt STRTOUL 3
@@ -83,6 +83,11 @@ The conversion is done according to the given
.Fa base ,
which must be a number between 2 and 36 inclusive
or the special value 0.
+If the string in
+.Fa nptr
+represents a negative number, it will be converted to its unsigned equivalent.
+This behavior is consistent with what happens when a signed integer type is
+cast to its unsigned counterpart.
.Pp
The string may begin with an arbitrary amount of whitespace
(as determined by