Function renameat2

Source
pub extern "C" fn renameat2(
    fn_ptr: Option<&extern "C" fn(c_int, *const c_char, c_int, *const c_char, c_uint) -> c_int>,
    olddirfd: c_int,
    oldpath: *const c_char,
    newdirfd: c_int,
    newpath: *const c_char,
    flags: c_uint,
) -> c_int