@node fputws @section @code{fputws} @findex fputws POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/fputws.html} Gnulib module: --- Portability problems fixed by Gnulib: @itemize @end itemize Portability problems not fixed by Gnulib: @itemize @item This function is missing on some platforms: 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 On some platforms, this function does not set @code{errno} or the stream error indicator on attempts to write to a read-only stream: Cygwin 1.7.9. @end itemize