@node towupper @section @code{towupper} @findex towupper POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/towupper.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: IRIX 5.3, Solaris 2.5.1. @item On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot accommodate all Unicode characters. @end itemize