pub fn preadv2<T: MaybeUninitIovecMut + ?Sized>(
fd: c_int,
bufs: &mut T,
offset: loff_t,
flags: c_int
) -> Result<InitializedIovec<'_>>
pub fn preadv2<T: MaybeUninitIovecMut + ?Sized>(
fd: c_int,
bufs: &mut T,
offset: loff_t,
flags: c_int
) -> Result<InitializedIovec<'_>>