M_UID_USED
errmsg(M_UID_USED, uid);
errmsg(M_UID_USED, uid);
errmsg(M_UID_USED, uid);
errmsg(M_UID_USED, pstruct->pw_uid);
errmsg(M_UID_USED, uid);
errmsg(M_UID_USED, uid);