5 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/tzname.html}
9 Portability problems fixed by Gnulib:
13 Portability problems not fixed by Gnulib:
16 This variable is missing on some platforms:
19 The address of this variable is not a compile-time constant on some platforms:
22 Native Windows platforms (mingw, MSVC) support only a subset of time
23 zones supported by GNU or specified by POSIX@. @xref{tzset}.
26 A more portable way of getting the time zone abbreviation is to use
27 @code{strftime} with the @code{%Z} format. @xref{strftime}.