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13.121.20 wmempcpy

Documentation:

• https://www.gnu.org/software/libc/manual/html_node/Copying-Strings-and-Arrays.html,
• man wmempcpy.

Gnulib module: wmempcpy

Portability problems fixed by Gnulib:

• This function is missing on many non-glibc platforms: macOS 14, FreeBSD 13.0, NetBSD 10.0, OpenBSD 6.7, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 11.4, Cygwin 2.9, mingw, MSVC 14, Android 5.1.

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.