112     pub struct group {
3611     pub fn fchown(fd: c_int, owner: crate::uid_t, group: crate::gid_t) -> c_int;  in fchown()
3616         group: crate::gid_t,  in fchownat()
4234         grp: *mut crate::group,  in getgrgid_r()  argument
4237         result: *mut *mut crate::group,  in getgrgid_r()  argument
4244         grp: *mut crate::group,  in getgrnam_r()  argument
4247         result: *mut *mut crate::group,  in getgrnam_r()  argument
4249     pub fn initgroups(user: *const c_char, group: crate::gid_t) -> c_int;  in initgroups()
4252     pub fn getgrnam(name: *const c_char) -> *mut crate::group;  in getgrnam()  argument
4277     pub fn getgrgid(gid: crate::gid_t) -> *mut crate::group;  in getgrgid()  argument
4281     pub fn getgrent() -> *mut crate::group;  in getgrent()
4285         group: crate::gid_t,  in getgrouplist()