@itemize
@item
This function is missing on some platforms:
-Solaris 11 2010-11, mingw, MSVC 9, Interix 3.5, BeOS.
+Solaris 11 2011-11, mingw, MSVC 9, Interix 3.5, BeOS.
@item
This function is declared in @code{netdb.h}, not in @code{unistd.h}, on
some platforms: