do_setresuid
return do_setresuid(l, SCARG(uap, ruid), SCARG(uap, euid),
error = do_setresuid(l, -1, kauth_cred_getuid(l->l_cred), -1,
return do_setresuid(l, uid, uid, uid,
return do_setresuid(l, -1, SCARG(uap, euid), -1, ID_E_EQ_R | ID_E_EQ_S);
return do_setresuid(l, ruid, euid, svuid,
int do_setresuid(struct lwp *, uid_t, uid_t, uid_t, u_int);