Four DUCTAPE applications have been developed:

• pdbconv converts PDB files to a more readable format
• pdbmerge merges PDB files from separate compilations
• pdbtree prints file inclusion, class hierarchy, and call graph trees
• pdbhtml "htmlizes" C++ source

Mutex &Mutex::Mutex() `--> void *operator new(unsigned long) `--> List &List::List() void Mutex::~Mutex() `--> void operator delete(void *) `--> void List::~List() `--> void operator delete(void *) `--> void List_elem::~List_elem() `--> void operator delete(void *) `--> void Thread::~Thread() `--> void operator delete(void *) void Mutex::lock() `--> void threadSwap(List *, List *, Swap) void Mutex::unlock() `--> int List::isEmpty() `--> void threadSwap(List *, List *, Swap)

List `--> (HAS-A) List_elem * `--> (HAS-A) List_elem * Thread `--> (HAS-A) List * `--> (HAS-A) List * `--> (HAS-A) List * `--> (HAS-A) List * `--> (HAS-A) List * `--> (HAS-A) ucontext_t * List_elem `--> (HAS-A) Thread * `--> (HAS-A) List_elem * `--> (HAS-A) List_elem * Mutex `--> (HAS-A) List *