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wcscasecmp(3) Library Functions Manual wcscasecmp(3)
NAME
wcscasecmp - compare two wide-character strings, ignoring case
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#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
DESCRIPTION
The wcscasecmp() function is the wide-character equivalent of the str-
casecmp(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)).
RETURN VALUE
The wcscasecmp() function returns zero if the wide-character strings at
s1 and s2 are equal except for case distinctions. It returns a posi-
tive integer if s1 is greater than s2, ignoring case. It returns a
negative integer if s1 is smaller than s2, ignoring case.
ATTRIBUTES
For an explanation of the terms used in this section, see at-
tributes(7).
+-------------------------------------+---------------+----------------+
|Interface | Attribute | Value |
+-------------------------------------+---------------+----------------+
|wcscasecmp() | Thread safety | MT-Safe locale |
+-------------------------------------+---------------+----------------+
STANDARDS
POSIX.1-2008.
HISTORY
glibc 2.1.
NOTES
The behavior of wcscasecmp() depends on the LC_CTYPE category of the
current locale.
SEE ALSO
strcasecmp(3), wcscmp(3)
Linux man-pages 6.04 2023-03-30 wcscasecmp(3)
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