From 3d08cd331c1adcf0d917392f7e527b3f00511748 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Merging upstream version 6.8. Signed-off-by: Daniel Baumann --- man/man3/iswblank.3 | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 man/man3/iswblank.3 (limited to 'man/man3/iswblank.3') diff --git a/man/man3/iswblank.3 b/man/man3/iswblank.3 new file mode 100644 index 0000000..81e3953 --- /dev/null +++ b/man/man3/iswblank.3 @@ -0,0 +1,89 @@ +'\" t +.\" Copyright (c) Bruno Haible +.\" +.\" 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 iswblank 3 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +iswblank \- test for whitespace wide character +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include +.P +.BI "int iswblank(wint_t " wc ); +.fi +.P +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.P +.BR iswblank (): +.nf + _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L +.fi +.SH DESCRIPTION +The +.BR iswblank () +function is the wide-character equivalent of the +.BR isblank (3) +function. +It tests whether \fIwc\fP is a wide character +belonging to the wide-character class "blank". +.P +The wide-character class "blank" is a subclass of the wide-character class +"space". +.P +Being a subclass of the wide-character class "space", +the wide-character class "blank" is disjoint from the +wide-character class "graph" and therefore also disjoint +from its subclasses "alnum", "alpha", "upper", "lower", "digit", +"xdigit", "punct". +.P +The wide-character class "blank" always contains +at least the space character +and the control character \[aq]\et\[aq]. +.SH RETURN VALUE +The +.BR iswblank () +function returns nonzero +if \fIwc\fP is a wide character +belonging to the wide-character class "blank". +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 iswblank () +T} Thread safety MT-Safe locale +.TE +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001. +.SH NOTES +The behavior of +.BR iswblank () +depends on the +.B LC_CTYPE +category of the +current locale. +.SH SEE ALSO +.BR isblank (3), +.BR iswctype (3) -- cgit v1.2.3