// The `design` is consumed by this operation and cannot be used afterwards.
cxxrtl_handle cxxrtl_create(cxxrtl_toplevel design);
+// Create a design handle at a given hierarchy position from a design toplevel.
+//
+// This operation is similar to `cxxrtl_create`, except the full hierarchical name of every object
+// is prepended with `root`.
+cxxrtl_handle cxxrtl_create_at(cxxrtl_toplevel design, const char *root);
+
// Release all resources used by a design and its handle.
void cxxrtl_destroy(cxxrtl_handle handle);
+// Reinitialize the design, replacing the internal state with the reset values while preserving
+// black boxes.
+//
+// This operation is essentially equivalent to a power-on reset. Values, wires, and memories are
+// returned to their reset state while preserving the state of black boxes and keeping all of
+// the interior pointers obtained with e.g. `cxxrtl_get` valid.
+void cxxrtl_reset(cxxrtl_handle handle);
+
// Evaluate the design, propagating changes on inputs to the `next` value of internal state and
// output wires.
//