sqlite3BtreeSetBusyHandler   60 ext/pdo_sqlite/sqlite/src/btree.h int sqlite3BtreeSetBusyHandler(Btree*,BusyHandler*);
sqlite3BtreeSetBusyHandler  735 ext/pdo_sqlite/sqlite/src/main.c     sqlite3BtreeSetBusyHandler(*ppBtree, (void*)&db->busyHandler);