Input file trouble

[VladTeppi]

#include <iostream> 
#include <fstream>
#include <iomanip>
#include <string>
#include <cmath>

using namespace std;
      
struct webType
{
       string ip;
       string url;
       string command;
       int counter;
};

typedef webType infoType;

struct nodeType
{
       infoType info;
       nodeType* link;
};



void heading (ofstream&);
void print(nodeType*);
void printOne(webType one);
void display (nodeType *box);
void add (ifstream& add_to, nodeType *& list);
void change (ifstream& fin, nodeType *& list);
//void search (nodeType *box);
//Start of main
int main()
{
    nodeType *list,  *box, *first;
    string filename, command;
    ifstream inFile;
    ofstream outFile;                                                                   //declares the output file
  
    heading (outFile); 

   cout << "\nEnter the name of the input file: ";
    cin >> filename;
    cout << "\n--------------------------------------------------------\n";   
    
    
    inFile.open(filename.c_str());
    outFile.open("Bass.txt");
        
    if (!inFile)
    {
        cout << "ERROR!!!! INPUT FILE NOT FOUND!!!!!!!\n\n";
        system("PAUSE");
        return 1;
    }
  print(first);    
      
 box=NULL;
 inFile >>command;
    
 while (inFile)
    { 
      if(command == "Add")
      {
      cout<<"Adding to the list"<<endl;      
      add ( inFile, box);
      
      }
                     
      else if(command == "Change")
      {
      cout<<"Changing the list"<<endl;      
      change (inFile, box);
      
                     
      }
      
      else if(command == "Eliminate")
      {
         cout<<"Eliminating from list"<<endl;       
         
      }
      
      else if(command == "Search")
      { 
           cout<<"Searching the list"<<endl;  
          // search (box) ;   
          
           }
      else if (command == "Display")
      {
         cout<<"Displaying the list"<<endl;      
         display (box);
         system("PAUSE");
       }
       
    inFile>>command;
    
}  
    system("PAUSE");
    return 0;
}

//========================================================================
//prints the heading
void heading (ofstream&outFile)
{
  cout << "===================================================" << endl;
  cout << "FLY-BY-NIGHT-ENGINEERING URL,IP,WEB INFO MANAGER" << endl;
  cout << "===================================================" << endl << endl;
  cout<<"Source file : Bass_b_Prj5.cpp"<<endl;
  outFile<<"Source file : Bass_b_Prj5.cpp"<<endl;
  cout<<"Programmed by: Brent Bass"<<endl;
  outFile<<"Programmed by: Brent Bass"<<endl;
  cout<<"Date: 4/17/2011"<<endl;  
  outFile<<"Date: 4/17/2011"<<endl;      
  cout<<"Lab CRN 26682"<<endl << endl;
  outFile<<"Lab CRN 26682"<<endl << endl;
 }
//========================================================================
/* print displays the members of each element of the 
linked list of structures of type nodeType; the formal parameter 
first points to the first node in the list.
*/
void print(nodeType *first)
{  
   nodeType *current;
   current = first;

   while (current != NULL)
   {
    printOne ( current->info);
    cout << endl;
    current = current->link;
   }
   
   cout << endl;
}


//==============================================================================

void printOne ( webType one)
{    
     cout << "URL: " << one.url << endl;
     cout << "IP ADDRESS: " <<one.ip << endl;
    
     if ( one.command == "search" || one.command == "change")
     {
      cout << "COUNTER = " << one.counter << endl;
      }
} 
//==============================================================================
void display (nodeType *box)
{


   nodeType *current;
   current = box;

   while (current != NULL)
   {
    printOne ( current->info);
    cout << endl;
    current = current->link;
   }
   
   cout << endl;

        
        
}
//==============================================================================
void add (ifstream& add_to, nodeType *& list)
{
nodeType *current;
webType data;
current = new nodeType;
int counter = 0;
//webType temp


add_to>>data.url>>data.ip;

current->info = data;

current->link = list;

list = current;

}
//==============================================================================
void change(ifstream& fin, nodeType *& list)
{

nodeType *current;
webType data;

fin>>data.url>>data.ip;
current=list;
while (current != NULL)
{

if (  current->info.url == data.url )
{
    current->info.ip = data.ip;
    current->info.counter++;
}

current =current->link;
}
}


/*void search (nodeType *box)
// search function...
{
    box->info.counter++;
    cout << "Domain Name: " << box->info.url << endl
         << "IP Number: " << box->info.ip << endl
         << "Counter is now " << box->info.counter << "\t";   
} 

void eliminate(ifstream& fin, nodeType *& list)
{

nodeType *current;
webType data;

current=list
while (current != NULL)
{





current =current->link

}


void eliminate (nodeType *&HEAD, nodeType *targetNode)
// eliminate function...
{
    nodeType *backNode;
    
    if (targetNode == HEAD)
    // if the target node is the first node in the sequence
    // 1. instruct the head to point to the second node of the sequence
    // 2. delete the target node
    {
        HEAD = targetNode->LINK; // number 1
        delete targetNode; // number 2        
    }
    else    
    {
        backNode = HEAD;
        while (backNode->LINK != targetNode)
            backNode = backNode->LINK;
        
        backNode->LINK = targetNode->LINK;
        delete targetNode;
    }    
}
*/

Why can't this input file be found? The input files are saved in the same folder as the project and the names of the input files are "one.txt, two.txt, three.txt, and four.txt"