13.9.1 isctype
Gnulib module: —
Portability problems fixed by Gnulib:
Portability problems not fixed by Gnulib:
- This function is missing on some platforms:
macOS 14, FreeBSD 14.0, NetBSD 10.0, OpenBSD 6.7, Minix 3.1.8, AIX 5.1, Solaris 11.4, Cygwin 2.9, mingw, MSVC 14, Android 9.0.