Linux 2.6 - man page for wcscasecmp (linux section 3)
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WCSCASECMP(3) Linux Programmer's Manual WCSCASECMP(3)
wcscasecmp - compare two wide-character strings, ignoring case
int wcscasecmp(const wchar_t *s1, const wchar_t *s2);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
Since glibc 2.10:
_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
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.
The wcscasecmp() function is provided in glibc since version 2.1.
Multithreading (see pthreads(7))
The wcscasecmp() function is thread-safe with exceptions. It can be safely used in multi-
threaded applications, as long as setlocale(3) is not called to change the locale.
POSIX.1-2008. This function is not specified in POSIX.1-2001, and is not widely available
on other systems.
The behavior of wcscasecmp() depends on the LC_CTYPE category of the current locale.
This page is part of release 3.55 of the Linux man-pages project. A description of the
project, and information about reporting bugs, can be found at
GNU 2013-11-21 WCSCASECMP(3)
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