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freebsd-dev/lib/libc/locale/digittoint.3

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From the PR: 1. ctype.h defines digittoint(), isnumber() and ishexnmber(), yet they are not documented in any of the manpages. 2. The ctype manpage references a non-existent manpage for digittoint(). 3. The isascii() manpage claims it is standards compliant, when it isn't. 4. isblank() claims it is _not_ standards compliant, when it is. Fix by including the appropriate .Nm entries, and with a new digittoint.3 page. PR: docs/26451 Submitted by: Adrian Filipi-Martin <adrian@ubergeeks.com>
2002-01-09 13:43:31 +00:00
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" 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.
.\" 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.
.\"
.\" @(#)digittoint.3 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd April 6, 2001
.Dt DIGITTOINT 3
.Os
.Sh NAME
.Nm digittoint
.Nd convert a numeric character to its integer value
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
mdoc(7) police: tidy up.
2002-03-18 15:44:27 +00:00
.In ctype.h
From the PR: 1. ctype.h defines digittoint(), isnumber() and ishexnmber(), yet they are not documented in any of the manpages. 2. The ctype manpage references a non-existent manpage for digittoint(). 3. The isascii() manpage claims it is standards compliant, when it isn't. 4. isblank() claims it is _not_ standards compliant, when it is. Fix by including the appropriate .Nm entries, and with a new digittoint.3 page. PR: docs/26451 Submitted by: Adrian Filipi-Martin <adrian@ubergeeks.com>
2002-01-09 13:43:31 +00:00
.Ft int
.Fn digittoint "int c"
.Sh DESCRIPTION
The
.Fn digittoint
mdoc(7) police: tidy up.
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function converts 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.
From the PR: 1. ctype.h defines digittoint(), isnumber() and ishexnmber(), yet they are not documented in any of the manpages. 2. The ctype manpage references a non-existent manpage for digittoint(). 3. The isascii() manpage claims it is standards compliant, when it isn't. 4. isblank() claims it is _not_ standards compliant, when it is. Fix by including the appropriate .Nm entries, and with a new digittoint.3 page. PR: docs/26451 Submitted by: Adrian Filipi-Martin <adrian@ubergeeks.com>
2002-01-09 13:43:31 +00:00
.Sh RETURN VALUES
The
.Fn digittoint
mdoc(7) police: tidy up.
2002-03-18 15:44:27 +00:00
function always returns an integer from the range of 0 to 15.
If the given character was not a digit as defined by
.Xr isxdigit 3 ,
the function will return 0.
From the PR: 1. ctype.h defines digittoint(), isnumber() and ishexnmber(), yet they are not documented in any of the manpages. 2. The ctype manpage references a non-existent manpage for digittoint(). 3. The isascii() manpage claims it is standards compliant, when it isn't. 4. isblank() claims it is _not_ standards compliant, when it is. Fix by including the appropriate .Nm entries, and with a new digittoint.3 page. PR: docs/26451 Submitted by: Adrian Filipi-Martin <adrian@ubergeeks.com>
2002-01-09 13:43:31 +00:00
.Sh SEE ALSO
Trim cross-references.
2004-03-30 07:19:35 +00:00
.Xr ctype 3 ,
From the PR: 1. ctype.h defines digittoint(), isnumber() and ishexnmber(), yet they are not documented in any of the manpages. 2. The ctype manpage references a non-existent manpage for digittoint(). 3. The isascii() manpage claims it is standards compliant, when it isn't. 4. isblank() claims it is _not_ standards compliant, when it is. Fix by including the appropriate .Nm entries, and with a new digittoint.3 page. PR: docs/26451 Submitted by: Adrian Filipi-Martin <adrian@ubergeeks.com>
2002-01-09 13:43:31 +00:00
.Xr isdigit 3 ,
Trim cross-references.
2004-03-30 07:19:35 +00:00
.Xr isxdigit 3
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