langinfo.h
==========

POSIX specification:
 https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/langinfo.h.html

Gnulib module: langinfo

Portability problems fixed by Gnulib:

  * This header file is missing on some platforms: Minix 3.1.8, mingw, MSVC 14.

  * The constant CODESET is not defined on some platforms: OpenBSD 3.8.

  * The constants ALTMON_1 to ALTMON_12 are not defined on some platforms: glibc 2.26, musl libc, Mac OS X 10.13, NetBSD 8.0, OpenBSD 6.5, AIX 7.2, HP-UX 11.31, IRIX 6.5, Solaris 11.4, Haiku, Cygwin 2.9.

  * The constants ERA, ERA_D_FMT, ERA_D_T_FMT, ERA_T_FMT, ALT_DIGITS are not defined on some platforms: OpenBSD 3.8.

Portability problems not fixed by Gnulib: