transaction_classify_pkgs
transaction_classify_pkgs(trans, SOLVER_TRANSACTION_KEEP_PSEUDO, class2str[i].class, 0, 0, &q);
transaction_classify_pkgs(trans, mode, class, classes.elements[i + 2], classes.elements[i + 3], &pkgs);
extern void transaction_classify_pkgs(Transaction *trans, int mode, Id type, Id from, Id to, Queue *pkgs);