Function umask

pub unsafe fn umask(mode: u32) -> Result<u32, i32> 

Available on crate feature dep_nc only.

Set file mode creation mask.

Examples

let new_mask = 0o077;
let ret = unsafe { nc::umask(new_mask) };
assert!(ret.is_ok());
let old_mask = ret.unwrap();
let ret = unsafe { nc::umask(old_mask) };
assert_eq!(ret, Ok(new_mask));