22 pub type uid_t = u32;  typedef
3611     pub fn fchown(fd: c_int, owner: crate::uid_t, group: crate::gid_t) -> c_int;  in fchown()
3615         owner: crate::uid_t,  in fchownat()
3646     pub fn chown(path: *const c_char, uid: uid_t, gid: gid_t) -> c_int;  in chown()
3647     pub fn lchown(path: *const c_char, uid: uid_t, gid: gid_t) -> c_int;  in lchown()
3988     pub fn setreuid(ruid: crate::uid_t, euid: crate::uid_t) -> c_int;  in setreuid()
3991         ruid: *mut crate::uid_t,  in getresuid()
3992         euid: *mut crate::uid_t,  in getresuid()
3993         suid: *mut crate::uid_t,  in getresuid()
4003     pub fn setresuid(ruid: crate::uid_t, euid: crate::uid_t, suid: crate::uid_t) -> c_int;  in setresuid()
4265         uid: crate::uid_t,  in getpwuid_r()