22     let mut iovecs = Vec::new();  in test_writev()  localVariable
28         iovecs.push(IoVec::from_slice(b));  in test_writev()
37     let write_res = writev(writer, &iovecs);  in test_writev()
71     let mut iovecs = Vec::with_capacity(storage.len());  in test_readv()  localVariable
73         iovecs.push(IoVec::from_mut_slice(&mut v[..]));  in test_readv()
82     let read_res = readv(reader, &mut iovecs[..]);  in test_readv()
89     for iovec in &iovecs {  in test_readv()
143     let iovecs = [  in test_pwritev()  localVariable
156     let written = pwritev(file.as_raw_fd(), &iovecs, 100).ok().unwrap();  in test_pwritev()
189         let iovecs: Vec<_> = buffers.iter_mut().map(  in test_preadv()  localVariable
191         assert_eq!(Ok(100), preadv(file.as_raw_fd(), &iovecs, 100));  in test_preadv()