krb5_ldap_read_policy
if ((retval = krb5_ldap_read_policy(util_context, policy, &policyparams, &mask)))
retval = krb5_ldap_read_policy(util_context, policy, &policyparams, &in_mask);
if ((retval = krb5_ldap_read_policy(util_context, policy, &policyparams, &mask))) {
st = krb5_ldap_read_policy(context, policy, &tktpoldnparam, &omask);
krb5_ldap_read_policy(krb5_context, char *, krb5_ldap_policy_params **, int *);