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9.49 stdckdint.h

POSIX specification:
Not in POSIX yet, but we expect it will be. ISO draft C23 (https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3096.pdf) section 7.20.

Gnulib module: stdckdint

Portability problems fixed by Gnulib:

• This header file is missing on many platforms: glibc 2.29, macOS 14, FreeBSD 13.2, NetBSD 10.0, OpenBSD 6.7, Minix 3.3.0, AIX 7.3.1, HP-UX 11.31, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14, Android 9.0.

Portability problems not fixed by Gnulib:

• In draft C23, arguments of stdckdint.h macros can have side effects.