__rpc_gss_mech_to_oid
if (!__rpc_gss_mech_to_oid(mech, &mech_type)) {
if (!__rpc_gss_mech_to_oid(mech, (rpc_gss_OID *) &mech_oid)) {
if (!__rpc_gss_mech_to_oid(mech, &mechanism)) {
if (!__rpc_gss_mech_to_oid(
bool_t __rpc_gss_mech_to_oid();