rv = STAN_AddModuleToDefaultTrustDomain(mod);
rv = STAN_RemoveModuleFromDefaultTrustDomain(mod);
SECStatus SECMOD_UnloadUserModule(SECMODModule *mod){    SECStatus rv = SECSuccess;    int atype = 0;    if (!mod)    {        return SECFailure;    }    rv = STAN_AddModuleToDefaultTrustDomain(mod);    if (SECSuccess != rv)    {        return SECFailure;    }    return SECMOD_DeleteModuleEx(NULL, mod, &atype, PR_FALSE);}