nc 0.9.8

Access system calls directly
Documentation
1
2
3
4
5
/// Set port input/output permissions.
pub unsafe fn ioperm(from: usize, num: usize, turn_on: i32) -> Result<(), Errno> {
    let turn_on = turn_on as usize;
    unsafe { syscall3(SYS_IOPERM, from, num, turn_on).map(drop) }
}