SolverRuleinfo
SolverRuleinfo rinfo;
SolverRuleinfo
SolverRuleinfo type = SOLVER_RULE_UNKNOWN;
SolverRuleinfo
extern SolverRuleinfo solver_ruleinfo(struct _Solver *solv, Id rid, Id *fromp, Id *top, Id *depp);
extern SolverRuleinfo solver_ruleclass(struct _Solver *solv, Id rid);
solver_problemruleinfo2str(Solver *solv, SolverRuleinfo type, Id source, Id target, Id dep)
extern const char *solver_problemruleinfo2str(Solver *solv, SolverRuleinfo type, Id source, Id target, Id dep);