140     pub fn new(con: &str) -> Result<Self> {  in new()
142             CString::new(con)  in new()
143                 .with_context(|| format!("Failed to create Context with \"{}\"", con))?,  in new()
197         let mut con: *mut c_char = ptr::null_mut();  in lookup()  localVariable
206             selinux::selabel_lookup(self.handle, &mut con, c_key.as_ptr(), Self::BACKEND_TYPE)  in lookup()
209                 if !con.is_null() {  in lookup()
210                     Ok(Context::Raw(con))  in lookup()
235     let mut con: *mut c_char = ptr::null_mut();  in getcon()  localVariable
236     match unsafe { selinux::getcon(&mut con) } {  in getcon()
238             if !con.is_null() {  in getcon()
239                 Ok(Context::Raw(con))  in getcon()
259     let mut con: *mut c_char = ptr::null_mut();  in getpidcon()  localVariable
260     match unsafe { selinux::getpidcon(pid, &mut con) } {  in getpidcon()
262             if !con.is_null() {  in getpidcon()
263                 Ok(Context::Raw(con))  in getpidcon()