@node vwarn @subsection @code{vwarn} @findex vwarn Documentation: @itemize @item @ifinfo @ref{Error Messages,,Error Messages,libc}, @end ifinfo @ifnotinfo @url{https://www.gnu.org/software/libc/manual/html_node/Error-Messages.html}, @end ifnotinfo @item @uref{https://www.kernel.org/doc/man-pages/online/pages/man3/vwarn.3.html,,man vwarn}. @end itemize 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: AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 10, mingw, MSVC 14. @end itemize