/in/call.cpp:42:11: error: use of undeclared identifier 'timestamp'; did you mean 'ctimestamp'?
                        int *a=timestamp.removeFront();
                               ^~~~~~~~~
                               ctimestamp
/in/call.cpp:20:13: note: 'ctimestamp' declared here
        Dlist<int> ctimestamp;
                   ^
/in/call.cpp:44:30: error: use of undeclared identifier 'b'
                                cout << "Call from " << *b << " a " << *c << " member" << endl;
                                                         ^
/in/call.cpp:44:45: error: use of undeclared identifier 'c'
                                cout << "Call from " << *b << " a " << *c << " member" << endl;
                                                                        ^
/in/call.cpp:46:22: error: use of undeclared identifier 'b'
                                cname.insertBack(b);
                                                 ^
/in/call.cpp:47:24: error: use of undeclared identifier 'c'
                                cstatus.insertBack(c);
                                                   ^
/in/call.cpp:48:26: error: use of undeclared identifier 'd'
                                cduration.insertBack(d);
                                                     ^
/in/call.cpp:51:5: error: use of undeclared identifier 'timestamp'; did you mean 'ctimestamp'?
                                timestamp.insertBack(a);
                                ^~~~~~~~~
                                ctimestamp
/in/call.cpp:20:13: note: 'ctimestamp' declared here
        Dlist<int> ctimestamp;
                   ^
/in/call.cpp:52:5: error: use of undeclared identifier 'name'; did you mean 'cname'?
                                name.insertBack(b);
                                ^~~~
                                cname
/in/call.cpp:21:16: note: 'cname' declared here
        Dlist<string> cname;
                      ^
/in/call.cpp:52:21: error: use of undeclared identifier 'b'
                                name.insertBack(b);
                                                ^
/in/call.cpp:53:5: error: use of undeclared identifier 'status'; did you mean 'cstatus'?
                                status.insertBack(c);
                                ^~~~~~
                                cstatus
/in/call.cpp:22:16: note: 'cstatus' declared here
        Dlist<string> cstatus;
                      ^
/in/call.cpp:53:23: error: use of undeclared identifier 'c'
                                status.insertBack(c);
                                                  ^
/in/call.cpp:54:5: error: use of undeclared identifier 'duration'; did you mean 'cduration'?
                                duration.insertBack(d);
                                ^~~~~~~~
                                cduration
/in/call.cpp:23:13: note: 'cduration' declared here
        Dlist<int> cduration;
                   ^
/in/call.cpp:54:25: error: use of undeclared identifier 'd'
                                duration.insertBack(d);
                                                    ^
13 errors generated.
/in/Compile/Makefile:39: recipe for target 'buildCall' failed
make: *** [buildCall] Error 1