@node wctomb @section @code{wctomb} @findex wctomb POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/wctomb.html} Gnulib module: wctomb Portability problems fixed by Gnulib: @itemize @end itemize Portability problems not fixed by Gnulib: @itemize @item This function is missing on some platforms: Android 4.4. @item On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot accommodate all Unicode characters. @end itemize