wcscasecmp(3) Library Functions Manual wcscasecmp(3) NAME wcscasecmp - compare two wide-character strings, ignoring case LIBRARY Standard C library (libc, -lc) SYNOPSIS #include 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 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)). 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 positive 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 attributes(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 6.7 2023-10-31 wcscasecmp(3)