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@node strftime
@section @code{strftime}
@findex strftime
POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/strftime.html}
Gnulib module: strftime-fixes
Portability problems fixed by Gnulib:
@itemize
@item
On native Windows platforms (mingw, MSVC), this function works incorrectly
when the environment variable @code{TZ} has been set by Cygwin.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
The Windows C runtime library (which is used by MinGW) does not
support the %e specifier (and possibly the other more recent SUS
specifiers too, i.e., %C, %D, %h, %n, %r, %R, %t, and %T).
@item
Native Windows platforms (mingw, MSVC) support only a subset of time
zones supported by GNU or specified by POSIX@. @xref{tzset}.
@end itemize
Extension: Gnulib offers a module @samp{nstrftime} that provides an
@code{nstrftime} function with various GNU extensions.
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