@node memalignment
@subsection @code{memalignment}
@findex memalignment

ISO C23 specification:@* @url{https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3220.pdf} section 7.24.9.1

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on most non-C23 platforms:
glibc 2.42, macOS 14, FreeBSD 14.0, NetBSD 10.0, OpenBSD 7.5, Minix 3.3.0, AIX 7.3.1, HP-UX 11.31, Solaris 11.4, Cygwin 3.5.3, mingw, MSVC 14, Android 9.0.
@end itemize

To check whether a pointer @var{P} has alignment @var{A},
Gnulib code typically tests @code{(uintptr_t) @var{P} % @var{A}}
instead of @code{memalignment (@var{P}) % @var{A}}.
@xref{Other portability assumptions}.
