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WCSCASECMP(3) Library Functions Manual WCSCASECMP(3) NAME wcscasecmp, wcsncasecmp - compare 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); int wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t len); DESCRIPTION The wcscasecmp() and wcsncasecmp() functions compare the nul-terminated strings s1 and s2 and return an integer greater than, equal to, or less than 0, according to whether s1 is lexicographically greater than, equal to, or less than s2 after translation of each corresponding character to lower-case. The strings themselves are not modified. The wcsncasecmp() function compares at most len characters. SEE ALSO wcscmp(3) STANDARDS The wcscasecmp() and wcsncasecmp() functions conform to IEEE Std 1003.1-2008 ("POSIX.1"). HISTORY The wcscasecmp() and wcsncasecmp() functions first appeared in NetBSD 4.0. NOTES If len is 0, wcsncasecmp() always returns 0. NetBSD 10.99 July 13, 2016 NetBSD 10.99