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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | STANDARDS | HISTORY | NOTES | SEE ALSO | COLOPHON |
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wcscasecmp(3) Library Functions Manual wcscasecmp(3)
wcscasecmp - compare two wide-character strings, ignoring case
Standard C library (libc, -lc)
#include <wchar.h>
int wcscasecmp(const wchar_t *s1, const wchar_t *s2);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
wcscasecmp():
Since glibc 2.10:
_POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
_GNU_SOURCE
The wcscasecmp() function is the wide-character equivalent of the
strcasecmp(3) function. It compares the wide-character string
pointed to by s1 and the wide-character string pointed to by s2,
ignoring case differences (towupper(3), towlower(3)).
The wcscasecmp() function returns zero if the wide-character
strings at s1 and s2 are equal except for case distinctions. It
returns a positive integer if s1 is greater than s2, ignoring
case. It returns a negative integer if s1 is smaller than s2,
ignoring case.
For an explanation of the terms used in this section, see
attributes(7).
┌──────────────────────────────┬───────────────┬────────────────┐
│ Interface │ Attribute │ Value │
├──────────────────────────────┼───────────────┼────────────────┤
│ wcscasecmp() │ Thread safety │ MT-Safe locale │
└──────────────────────────────┴───────────────┴────────────────┘
POSIX.1-2008.
glibc 2.1.
The behavior of wcscasecmp() depends on the LC_CTYPE category of
the current locale.
strcasecmp(3), wcscmp(3)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
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2024-06-26. If you discover any rendering problems in this HTML
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Linux man-pages 6.9.1 2024-05-02 wcscasecmp(3)
Pages that refer to this page: strcasecmp(3), wcscmp(3)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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