On platforms where @code{off_t} is a 32-bit type, @code{lseek} does not work
correctly with files larger than 2 GB. (Cf. @code{AC_SYS_LARGEFILE}.)
@item
-This function mistakenly succeeds on pipes on some platforms: mingw, BeOS.
+This function mistakenly succeeds on pipes on some platforms: mingw, MSVC 9, BeOS.
@end itemize
Portability problems not fixed by Gnulib: