@node preadv
@subsection @code{preadv}
@findex preadv

Documentation:
@itemize
@item
@ifinfo
@ref{Scatter-Gather,,Fast Scatter-Gather I/O,libc},
@end ifinfo
@ifnotinfo
@url{https://www.gnu.org/software/libc/manual/html_node/Scatter_002dGather.html},
@end ifnotinfo
@item
@uref{https://www.kernel.org/doc/man-pages/online/pages/man2/preadv.2.html,,man preadv}.
@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:
glibc 2.9, macOS 10.13, FreeBSD 5.2.1, Minix 3.1.8, AIX 5.2, HP-UX 11.31, IRIX 6.5, Solaris 11.4, Cygwin 2.9, mingw, MSVC 14, Android 6.0.
@item
On platforms where @code{off_t} is a 32-bit type, this function may not
work correctly on files larger than 2 GB@.  The fix is to use the
@code{AC_SYS_LARGEFILE} macro.
@end itemize
