eq_connection new_eq_connection(region r, location location, endpoint ep1, endpoint ep2);
nx_struct_ref new_nx_struct_ref(region r, location location, word word1, attribute attributes, declaration fields, bool defined);
nx_union_ref new_nx_union_ref(region r, location location, word word1, attribute attributes, declaration fields, bool defined);
eq_connection new_eq_connection(region r, location location, endpoint ep1, endpoint ep2);
nx_struct_ref new_nx_struct_ref(region r, location location, word word1, attribute attributes, declaration fields, bool defined);
nx_union_ref new_nx_union_ref(region r, location location, word word1, attribute attributes, declaration fields, bool defined);