cant run this code..why?

#include <fstream>
#include <stdio.h>
#include <string>
#include <time.h>
#include <conio.h>
#include <stdlib.h>
#include <iostream>

using namespace std;
// **************************************************************************************************************************************
int main(void)
{
// >>> Declaration **********************************************************************************************************************

time_t start, end;
double duration=0;
char dataSet[50], auditTrail[50];
FILE *DS, *AT;
long int size=0L, curPos=0L;
unsigned char c;
int i, total_detil=0, total_E0_E1E2=0, total_E0_DB=0, total_DB=0, total_C4=0, total_E1=0, total_embed=0, total_ori=0, total_tn=0;

system("cls"); // clear the screen

// >>> Read string from DFRWS**********************************************************************************************************

strcpy(dataSet, "C:\\Users\\dfrws-2007-challenge.img");
if ((DS = fopen(dataSet, "rb"))==NULL) 
{
printf("Failed to open %s!",dataSet);
getch();
exit(1);
}

// >>> Read string to data file********************************************************************************************************
strcpy(auditTrail, "C:\\Users\\dfrws-2007-challenge.img.txt");

// >>> Open binary file to be written***************************************************************************************************
if ((AT = fopen(auditTrail, "wb"))==NULL)
{
printf("Failed to open %s!",auditTrail);
getch();
exit(1);
}

// >>> Get ready to start***************************************************************************************************************
fseek(DS, 0L, SEEK_END); 
size=ftell(DS); 
fseek(DS, 0L, SEEK_SET); 
start=time(NULL); // START timer

// >>> START algorithm processing********************************************************************************************************

FILE * pFile;
pFile = fopen ("e_mykarve_datafile5.txt","w");

//
int IDX = 0;
unsigned buf[17]; char BUF;
for (i=0; i<17; i++) buf[i] = 0;
//


printf("________________________________START_________________________________\n");
do
{


c = fgetc(DS); 

//printf("\n%x.",c);

/// ============================================== start
if (IDX<17) {
buf[IDX] = c;
}
else
{
buf[0] = buf[1];
buf[1] = buf[2];
buf[2] = buf[3];
buf[3] = buf[4];
buf[4] = buf[5];
buf[5] = buf[6];
buf[6] = buf[7];
buf[7] = buf[8];
buf[8] = buf[9];
buf[9] = buf[10];
buf[10] = buf[11];
buf[11] = buf[12];
buf[12] = buf[13];
buf[13] = buf[14];
buf[14] = buf[15];
buf[15] = buf[16];
buf[16] = buf[17];
buf[17] = c;
}
++IDX;

// >>> CHECK JPEG MARKER
if( !( ( buf[0] == 0x25 ) && ( buf[1] == 0x25 ) ))
{
if ( buf[0] == 0x25 )
{
if ( buf[1] == 0x50)
{
if ( buf[2] == 0x44 )
{
if ( buf[3] == 0x46 )
{
curPos=ftell(DS)-3;
printf("\n<soi original="" e1=""> at offset address %ld",curPos-1L);
fprintf(pFile, "25504446\t%ld\n",curPos-1L);
total_ori=++total_ori;
total_E1=++total_E1;

if ( !( ( buf[0] == 0x45 ) && ( buf[1] == 0x45 ) ))



if ( buf[0] == 0x45 )
{
if ( buf[1] == 0x45)
{
if ( buf[2] == 0x46 )
curPos=ftell(DS)-3;

printf("\n<eof original="" e1=""> at offset address %ld",curPos-1L);
fprintf(pFile, "454F46\t%ld\n",curPos-1L);
total_ori=++total_ori;
total_E1=++total_E1;
}

}
}
}
while (((!feof(DS)&&(curPos<seek_end))));>
}
end=time(NULL);
duration=difftime(end,start);

//start of report

printf ("\nStart: ");
printf (ctime(&start));
printf ("\nFinish: ");
printf (ctime(&end));
duration=difftime (end, start);
printf ("Duration: %.2f sec",duration);
printf ("\nSize of Data Set: %ld bytes", size);

//end

getch();
fclose(DS);
fclose(AT);
return (0);
}
}
}
}