خطأ في برنامجي لم اعرف حلا له

السلام عليكم هذا الخطأ ظهر لي عند عمل compile ولم اعرف الحل

--------------------Configuration: Expansion - Win32 Debug--------------------
Linking...
LIBCD.lib(wincrt0.obj) : error LNK2001: unresolved external symbol _WinMain@16
Debug/Expansion.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.

Expansion.exe - 2 error(s), 0 warning(s)

وهذا هو برنامجي

ملف Main

#include<iostream>
#include"CB.h"
using namespace std;
int main()
{
	int Carray[4][4],raw=0,col=0,*pRAW,*pCOL,EXP1=0,EXP2=0,REST1=0,REST2=0,*pMIN,minterm=0;
	//Main array :: array raw value :: array column value :: pointer to the raw
	//:: pointer to the column :: expand about bit1 :: expand about bit2 :: the rest bit1
	//:: the rest bit2 :: pointer to the MinTerm :: The function value "minterm""1 position in 
	//the function"
	pRAW=&raw;           //assigning the pointer to the right value of the raw
	pCOL=&col;              
	for(int i=0;i<4;i++)            //initializing loop
  for(int j=0;j<4;j++)
 	 Carray[j]=0;
  cout<<"Enter The Expand about Bits Respectivily\n"<<endl;
  cin>>EXP1>>EXP2;


  cout<<"Enter Your Minterms Please, your Values Should be from 0 to 15"<<endl;
  cout<<"If you had finished entering your values type -1 and press Enter\n";
  cout<<"your Value will be processed and stored automatically\n";
  i=0;
  while(1)
  {
 	 
 	 cin>>minterm;
 	 pMIN=new int;     //creating space for the Minterm Number
 	 pMIN=&minterm;
 	 if(minterm==-1)break;        //checking the value to break out of the loop
 	 Convert_Binary(pMIN,EXP1,EXP2,REST1,REST2,pRAW,pCOL); //sending the variables
    Carray[raw][col]=1;    // Storing the Final result for the function before 
                          //determining and processing the reduced table chart
    i++;
    delete pMIN;   //deleting the pointer from the heap
  }
  return 0;
}

ملف CB.h

// this function converts the incoming MinTerm value into an array of 4 bit binary
//numbers and pass the data to another function to update the values of the raw and columns
// for the MAIN File
#ifndef THISFILE                     //Multiple declaration for the file
#define  THISFILE
#include"CD.h"
void Convert_Binary(int *pArrayMember,int EXP1,int EXP2,int REST1,int REST2,int *pRAW,int *Pcol);//Function declaration
void Convert_Binary(int *pAM,int EXP1,int EXP2,int REST1,int REST2,int *pRAW,int*pCOL)   //Function def...
{
	int i=3,BMT[4],*pBMT;           //counter:: binary array :: pointer to the binary array                        
	pBMT=BMT;                        //assigning the array to a pointer
	while(i>-1)                                  //converting to  4=bit Binary
	{
  BMT=*pAM%2;
  *pAM=*pAM/2.0;
  --i;  
	}
	*pRAW=Convert_B_Decimal(pBMT,EXP1,EXP2);      //waiting for RAW result from the function
	*pCOL=Convert_B_Decimal(pBMT,REST1,REST2);    //waiting for Column result from the function
}

#endif

//end of the function implementation

ملف CD.h

//this function converts the Binary minterm into a decimal equevalent for 
//the expand about variables and the FAI variables
#ifndef ThisFile
#define ThisFile
int Convert_B_Decimal(int*pBinaryArray,int EXPAND1,int EXPAND2);  //function declaration
int Convert_B_Decimal(int*pB,int EX1,int EX2)                   //function def...
{                                                         // X1   X2  |  D
	if((pB[EX1]=0)&&(pB[EX2]=0))return 0;                 // 0    0   |  0
	if((pB[EX1]=0)&&(pB[EX2]=1))return 1;                 // 0    1   |  1  
	if((pB[EX1]=1)&&(pB[EX2]=0))return 2;                 // 1    0   |  2
	if((pB[EX1]=1)&&(pB[EX2]=1))return 3;                 // 1    1   |  3
}

#endif

//end of the function implementation

ارجوا المساعدة لاني حتى الان لم اجد جوابا في هذا المنتدى لاي موضوع اضعه ولا اعرف ما هو السبب :(