Function nc::fstat

pub fn fstat(fd: i32, statbuf: &mut stat_t) -> Result<(), Errno>

Get file status about a file descriptor.

let path = "/tmp";
// Open folder directly.
let fd = nc::openat(nc::AT_FDCWD, path, nc::O_PATH, 0);
assert!(fd.is_ok());
let fd = fd.unwrap();
let mut stat = nc::stat_t::default();
let ret = nc::fstat(fd, &mut stat);
assert!(ret.is_ok());
// Check fd is a directory.
assert_eq!((stat.st_mode & nc::S_IFMT), nc::S_IFDIR);
assert!(nc::close(fd).is_ok());