WCSNCASECMP(3) Linux Programmer's Manual WCSNCASECMP(3) NAME wcsncasecmp - compare two fixed-size wide-character strings, ignoring case SYNOPSIS #include <wchar.h> int wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): wcsncasecmp(): Since glibc 2.10: _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _GNU_SOURCE DESCRIPTION The wcsncasecmp() function is the wide-character equivalent of the strncasecmp(3) function. It compares the wide-character string pointed to by s1 and the wide-character string pointed to by s2, but at most n wide characters from each string, ignoring case differences (towup- per(3), towlower(3)). RETURN VALUE The wcsncasecmp() function returns zero if the wide-character strings at s1 and s2, truncated to at most length n, are equal except for case distinctions. It returns a positive integer if truncated s1 is greater than truncated s2, ignoring case. It returns a negative integer if truncated s1 is smaller than truncated s2, ignoring case. VERSIONS The wcsncasecmp() function is provided in glibc since version 2.1. ATTRIBUTES Multithreading (see pthreads(7)) The wcsncasecmp() function is thread-safe with exceptions. It can be safely used in multithreaded applications, as long as setlocale(3) is not called to change the locale during its execution. CONFORMING TO POSIX.1-2008. This function is not specified in POSIX.1-2001, and is not widely available on other systems. NOTES The behavior of wcsncasecmp() depends on the LC_CTYPE category of the current locale. SEE ALSO strncasecmp(3), wcsncmp(3) COLOPHON This page is part of release 3.74 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/. GNU 2014-01-22 WCSNCASECMP(3)
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