diff options
Diffstat (limited to 'lib/libc/locale/digittoint.3')
| -rw-r--r-- | lib/libc/locale/digittoint.3 | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/lib/libc/locale/digittoint.3 b/lib/libc/locale/digittoint.3 index 5caef66461e4..363b736bf442 100644 --- a/lib/libc/locale/digittoint.3 +++ b/lib/libc/locale/digittoint.3 @@ -25,14 +25,12 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" @(#)digittoint.3 8.1 (Berkeley) 6/4/93 -.\" $FreeBSD$ -.\" -.Dd April 6, 2001 +.Dd December 19, 2022 .Dt DIGITTOINT 3 .Os .Sh NAME -.Nm digittoint +.Nm digittoint , +.Nm digittoint_l .Nd convert a numeric character to its integer value .Sh LIBRARY .Lb libc @@ -45,7 +43,9 @@ .Sh DESCRIPTION The .Fn digittoint -function converts a numeric character to its corresponding integer value. +and +.Fn digittoint_l +functions convert a numeric character to its corresponding integer value. The character can be any decimal digit or hexadecimal digit. With hexadecimal characters, the case of the values does not matter. .Pp @@ -57,12 +57,19 @@ function use the current global or per-thread locale. .Sh RETURN VALUES The .Fn digittoint -function always returns an integer from the range of 0 to 15. +and +.Fn digittoint_l +functions always return an integer from the range of 0 to 15. If the given character was not a digit as defined by -.Xr isxdigit 3 , +.Xr isxdigit 3 +or +.Xr isxdigit_l 3 , the function will return 0. .Sh SEE ALSO .Xr ctype 3 , +.Xr ctype_l 3 , .Xr isdigit 3 , +.Xr isdigit_l 3 , .Xr isxdigit 3 , +.Xr isxdigit_l 3 , .Xr xlocale 3 |