C / C++ / MFC

namespace ContractStorage
{
std::string DoIt(ContractName c); // Declaration
}

namespace ContractStorage
{
std::string DoIt(ContractName c)
{
 printf("yes");
}
}

bool findpt(pt_tag<_Ty>* s)
{
    if (_vector.empty())
        return false;

    static vector< curve<_Ty> >::iterator i = _vector.end();

    if (i == _vector.end())  <-- RUN TIME ERROR HERE

        i = std::lower_bound( _vector.begin(), _vector.end(), s->_dtEffDate );
    else {
        if ((i._Ptr->getdate() != s->_dtEffDate))
            i = std::lower_bound( _vector.begin(), _vector.end(), s->_dtEffDate );
    }

    if ((i == _vector.end()) || (s->_dtEffDate != (*i)._date))
        return false;

    cpoint<_Ty> c;

    c.setdate( s->_dtFwdDate );

    if (i._Ptr->interpolate( &c ) == true) {
        s->_valid = true;
        s->_value = c.getvalue();
        return true;
    }
    return false;
}

CSocket sockSrvr;
if ( sockSrvr.Create(1239,SOCK_DGRAM)==0)
{
    MessageBox("Can't create socket");
    return FALSE;
}
char    data[100];
memset(data,1,sizeof(data));
if ( sockSrvr.SendTo(data,sizeof(data),1239,"10.14.83.11")<=0)
{
    MessageBox("Error in Sending");
    return FALSE;
}
sockSrvr.Close();
return TRUE;