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10.1286 wcscmp

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/wcscmp.html

Gnulib module: wcscmp

Portability problems fixed by Gnulib:

• This function compares the wide characters as if they were unsigned, although wchar_t is signed, on some platforms: glibc 2.14.1 on x86 or x86_64, musl libc 1.2.3, macOS 14, FreeBSD 13.2, NetBSD 10.0, OpenBSD 7.2, Solaris 11.4.
• This function may return a wrong result if the two arguments are of different length, on some platforms: glibc 2.37 on arm and arm64 CPUs, AIX 7.2 in 64-bit mode.

Portability problems not fixed by Gnulib:

• On Windows and 32-bit AIX platforms, wchar_t is a 16-bit type and therefore cannot accommodate all Unicode characters.