1 .\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
3 .\" %%%LICENSE_START(GPLv2+_DOC_ONEPARA)
4 .\" This is free documentation; you can redistribute it and/or
5 .\" modify it under the terms of the GNU General Public License as
6 .\" published by the Free Software Foundation; either version 2 of
7 .\" the License, or (at your option) any later version.
10 .\" References consulted:
11 .\" GNU glibc-2 source code and manual
12 .\" Dinkumware C library reference http://www.dinkumware.com/
13 .\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
15 .TH WCSCASECMP 3 2021-03-22 "GNU" "Linux Programmer's Manual"
17 wcscasecmp \- compare two wide-character strings, ignoring case
22 .BI "int wcscasecmp(const wchar_t *" s1 ", const wchar_t *" s2 );
26 Feature Test Macro Requirements for glibc (see
27 .BR feature_test_macros (7)):
33 _POSIX_C_SOURCE >= 200809L
40 function is the wide-character equivalent of the
43 It compares the wide-character string pointed to
46 and the wide-character string pointed to by
55 function returns zero if the wide-character strings at
59 are equal except for case distinctions.
67 returns a negative integer if
76 function is provided in glibc since version 2.1.
78 For an explanation of the terms used in this section, see
86 Interface Attribute Value
89 T} Thread safety MT-Safe locale
96 This function is not specified in POSIX.1-2001,
97 and is not widely available on other systems.