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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:43:11 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:43:11 +0000 |
commit | fc22b3d6507c6745911b9dfcc68f1e665ae13dbc (patch) | |
tree | ce1e3bce06471410239a6f41282e328770aa404a /upstream/fedora-rawhide/man3/iswalnum.3 | |
parent | Initial commit. (diff) | |
download | manpages-l10n-fc22b3d6507c6745911b9dfcc68f1e665ae13dbc.tar.xz manpages-l10n-fc22b3d6507c6745911b9dfcc68f1e665ae13dbc.zip |
Adding upstream version 4.22.0.upstream/4.22.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'upstream/fedora-rawhide/man3/iswalnum.3')
-rw-r--r-- | upstream/fedora-rawhide/man3/iswalnum.3 | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/upstream/fedora-rawhide/man3/iswalnum.3 b/upstream/fedora-rawhide/man3/iswalnum.3 new file mode 100644 index 00000000..fae45e35 --- /dev/null +++ b/upstream/fedora-rawhide/man3/iswalnum.3 @@ -0,0 +1,95 @@ +'\" t +.\" Copyright (c) Bruno Haible <haible@clisp.cons.org> +.\" +.\" SPDX-License-Identifier: GPL-2.0-or-later +.\" +.\" References consulted: +.\" GNU glibc-2 source code and manual +.\" Dinkumware C library reference http://www.dinkumware.com/ +.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html +.\" ISO/IEC 9899:1999 +.\" +.TH iswalnum 3 2023-10-31 "Linux man-pages 6.06" +.SH NAME +iswalnum \- test for alphanumeric wide character +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <wctype.h> +.P +.BI "int iswalnum(wint_t " wc ); +.fi +.SH DESCRIPTION +The +.BR iswalnum () +function is the wide-character equivalent of the +.BR isalnum (3) +function. +It tests whether +.I wc +is a wide character +belonging to the wide-character class "alnum". +.P +The wide-character class "alnum" is a subclass of the wide-character class +"graph", and therefore also a subclass of the wide-character class "print". +.P +Being a subclass of the wide-character class "print", +the wide-character class +"alnum" is disjoint from the wide-character class "cntrl". +.P +Being a subclass of the wide-character class "graph", +the wide-character class "alnum" is disjoint from +the wide-character class "space" and its subclass "blank". +.P +The wide-character class "alnum" is disjoint from the wide-character class +"punct". +.P +The wide-character class "alnum" is the union of the wide-character classes +"alpha" and "digit". +As such, it also contains the wide-character class +"xdigit". +.P +The wide-character class "alnum" +always contains at least the letters +\[aq]A\[aq] to \[aq]Z\[aq], +\[aq]a\[aq] to \[aq]z\[aq], +and the digits \[aq]0\[aq] to \[aq]9\[aq]. +.SH RETURN VALUE +The +.BR iswalnum () +function returns nonzero +if +.I wc +is a wide character +belonging to the wide-character class "alnum". +Otherwise, it returns zero. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR iswalnum () +T} Thread safety MT-Safe locale +.TE +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +POSIX.1-2001, C99. +.SH NOTES +The behavior of +.BR iswalnum () +depends on the +.B LC_CTYPE +category of the +current locale. +.SH SEE ALSO +.BR isalnum (3), +.BR iswctype (3) |