+The type @code{off_t} is missing on some platforms:
+glibc 2.8, eglibc 2.11.2 and others.
+@item
+The type @code{ssize_t} is missing on some platforms:
+glibc 2.8, MacOS X 10.5, Solaris 10, MSVC 9, and others.
+@item
+The type @code{va_list} is missing on some platforms:
+glibc 2.8, OpenBSD 4.0, Solaris 11 2011-11, and others.
+@item