From be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da Mon Sep 17 00:00:00 2001 From: rgrimes Date: Fri, 27 May 1994 05:00:24 +0000 Subject: BSD 4.4 Lite Lib Sources --- lib/libc/locale/isdigit.3 | 70 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 lib/libc/locale/isdigit.3 (limited to 'lib/libc/locale/isdigit.3') diff --git a/lib/libc/locale/isdigit.3 b/lib/libc/locale/isdigit.3 new file mode 100644 index 0000000..aa70c30 --- /dev/null +++ b/lib/libc/locale/isdigit.3 @@ -0,0 +1,70 @@ +.\" Copyright (c) 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the American National Standards Committee X3, on Information +.\" Processing Systems. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)isdigit.3 8.1 (Berkeley) 6/4/93 +.\" +.Dd June 4, 1993 +.Dt ISDIGIT 3 +.Os +.Sh NAME +.Nm isdigit +.Nd decimal-digit character test +.Sh SYNOPSIS +.Fd #include +.Ft int +.Fn isdigit "int c"; +.Sh DESCRIPTION +The +.Fn isdigit +function tests for any decimal-digit character. +In the ASCII character set, this includes the following characters: +.sp +.Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ +.It \&060\ ``0'' \t061\ ``1'' \t062\ ``2'' \t063\ ``3'' \t064\ ``4'' +.It \&065\ ``5'' \t066\ ``6'' \t067\ ``7'' \t070\ ``8'' \t071\ ``9'' +.El +.Sh RETURN VALUES +The +.Fn isdigit +function returns zero if the character tests false and +returns non-zero if the character tests true. +.Sh SEE ALSO +.Xr ctype 3 , +.Xr ascii 7 +.Sh STANDARDS +The +.Fn isdigit +function conforms to +.St -ansiC . -- cgit v1.1