showquotas
showquotas(USRQUOTA, uid, name);
showquotas(USRQUOTA, pwd->pw_uid, pwd->pw_name);
showquotas(GRPQUOTA, gid, name);
showquotas(GRPQUOTA, grp->gr_gid, grp->gr_name);
void showquotas(int, u_long, const char *);