9.1100 tzname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tzname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

• This variable is missing on some platforms: IRIX 6.5, OSF/1 5.1, mingw.
• The address of this variable is not a compile-time constant on some platforms: Cygwin, mingw.