+
+void adns_forallqueries_begin(adns_state ads) {
+ adns__consistency(ads,0,cc_entex);
+ ads->forallnext=
+ ads->timew.head ? ads->timew.head :
+ ads->childw.head ? ads->childw.head :
+ ads->output.head;
+}
+
+adns_query adns_forallqueries_next(adns_state ads, void **context_r) {
+ adns_query qu, nqu;
+
+ adns__consistency(ads,0,cc_entex);
+ nqu= ads->forallnext;
+ for (;;) {
+ qu= nqu;
+ if (!qu) return 0;
+ if (qu->next) {
+ nqu= qu->next;
+ } else if (qu == ads->timew.tail) {
+ if (ads->childw.head) {
+ nqu= ads->childw.head;
+ } else {
+ nqu= ads->output.head;
+ }
+ } else if (qu == ads->childw.tail) {
+ nqu= ads->output.head;
+ } else {
+ nqu= 0;
+ }
+ if (!qu->parent) break;
+ }
+ ads->forallnext= nqu;
+ if (context_r) *context_r= qu->ctx.ext;
+ return qu;
+}
+
+void adns__checkqueues(adns_state ads) {
+ adns_forallqueries_begin(ads);
+ while (adns_forallqueries_next(ads,0));
+}