wmempcpy
--------

Documentation:

  * Copying Strings and Arrays (libc),

  * 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 7.5, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 11.4, Cygwin 2.9.x, 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.