@node wcsftime @section @code{wcsftime} @findex wcsftime POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/wcsftime.html} Gnulib module: wcsftime 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 This function is missing on some platforms: OpenBSD 3.8, Minix 3.1.8, Cygwin 1.5.x. @item On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot accommodate all Unicode characters. @item Native Windows platforms (mingw, MSVC) support only a subset of time zones specified by POSIX@. @xref{tzset}. @end itemize