Function nc::fadvise64

pub fn fadvise64(
    fd: i32, 
    offset: loff_t, 
    len: size_t, 
    advice: i32
) -> Result<(), Errno>

Predeclare an access pattern for file data.

let path = "/etc/passwd";
let ret = nc::openat(nc::AT_FDCWD, path, nc::O_RDONLY, 0);
assert!(ret.is_ok());
let fd = ret.unwrap();
let ret = nc::fadvise64(fd, 0, 1024, nc::POSIX_FADV_NORMAL);
assert!(ret.is_ok());
assert!(nc::close(fd).is_ok());