怎么用C读取wireshark文件里的数据包，我读了，但是读的不对，下面是我的代码，请高手好心人多多关注，帮我看看

//.pcap文件
//#ifndef xiaohouzi
//#define xiaohouzi
#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN  (1)
#include<Winsock2.h>

typedef unsigned int bpf_u_int32;
typedef unsigned short u_short;
typedef int bpf_int32;
typedef unsigned char u_int8_t;
//////////////////////////////
typedef char int8_t;
//////////////////////////////
typedef unsigned short int u_int16_t;
typedef unsigned int u_int32_t;

typedef struct pcap_file_header
{
 bpf_u_int32 magic;
 u_short version_major;
 u_short version_minor;

 bpf_int32 thiszone;
 bpf_u_int32 sigfigs;
 bpf_u_int32 snaplen;
 bpf_u_int32 linktype;
}pcap_file_header;

typedef struct timestamp
{
 bpf_u_int32 timestamp_s;
 bpf_u_int32 timestamp_ms;
}timestamp;

typedef struct pcap_header
{
 timestamp ts;
 bpf_u_int32 capture_len;
 bpf_u_int32 len;
}pcap_header;

typedef struct ether_header
{
 u_int8_t ether_dhost[6];        //destination mac address
 u_int8_t ether_shost[6]; //source mac address
 u_int16_t ether_type;  //ethernet type
}ether_header;

typedef u_int32_t in_addr_t;

// struct in_addr
//{
// in_addr_t  s_addr;
//};
//total length : 20Bytes
typedef struct ip_hdr
{
 #if LITTLE_ENDIAN
 u_int8_t    ihl:4; //
 u_int8_t    version:4; //version
 #else
 u_int8_t    version:4;
 u_int8_t    ihr:4;
 #endif
 
 u_int8_t      tos;  //service type
 u_int16_t     tos_len; //total len
 u_int16_t     id;  //
 u_int16_t     frag_off; //offset
 u_int8_t      ttl;  //live time
 u_int8_t      protocol; //
 u_int16_t     chk_sum; //check sum
    struct in_addr    src_IP; //source ip
 struct in_addr    dst_IP; //destnation ip

}ip_hdr;

//total length : 20Bytes
typedef struct tcp_hdr
{
 u_int16_t     src_port;  //source port
 u_int16_t     dst_port;  //destination port
 u_int8_t   seq_no[4];
 u_int8_t      ack_no[4];
 //u_int32_t     seq_no;  //
 //u_int32_t     ack_no;  //
 /*struct in_addr    seq_no; 
 struct in_addr    ack_no; */
 
 //u_int8_t      reserved_1:4;
 //u_int8_t      th1:4;  //tcp header length
 //u_int8_t      flag:6;  
 //u_int8_t      reserverd_2:2;
 u_int8_t  length;//长度
 u_int8_t  type;//ACK。FIN……
 

 u_int8_t     wnd_size[2];  //16 bit windows
 u_int16_t     chk_sum;  //16 bits check sum ack,syn......
 u_int16_t     urgt_p;  //16 urgent p

}tcp_hdr;

//total length :8 Bytes

//#endif
#endif

//.cpp文件
#include"pcap.h"
#include <windows.h>
#include<winsock.h>
#include<string.h>
#include<stdio.h>
#include<stdlib.h>
//#include "C:\Users\Administrator\Desktop\zlib\zlib\src\zlib-1.2.3-src\src\zlib\1.2.3\zlib-1.2.3\zlib.h"
//#pragma comment(lib, "zlib1.lib")
#pragma  comment(lib,"ws2_32.lib")
int count=0;
void  main(/*int argc,char *argv[]*/)
{
 pcap_header *ph=(pcap_header*)malloc(sizeof(pcap_header));
 ether_header*eh=(ether_header*)malloc(sizeof(ether_header));
 ip_hdr * iph=(ip_hdr*)malloc(sizeof(ip_hdr));
 tcp_hdr *tcph=(tcp_hdr*)malloc(sizeof(tcp_hdr));
 if(ph==NULL||eh==NULL||iph==NULL||tcph==NULL)
 {
  printf("内存分配失败\n");
  return ;
 }
 /*打开文件*/
 FILE *pfile=fopen(/*filename*/"1.pcap","rb");
 if(pfile==NULL)
 {
  printf("open file failed!\n");
  return ;
 }
 fseek(pfile,0,SEEK_SET);//将文件指针置于头部
 /*跳过文件头*/
 if( fseek(pfile,24,SEEK_SET)!=0)
 {
  printf("文件头跳过失败！\n");
  exit(0);
  return;
 }
 /*读取每个数据包进行分析*/
 while(!feof(pfile))
 {
  ZeroMemory(ph,sizeof(pcap_header));
        ZeroMemory(eh,sizeof(*eh));
  ZeroMemory(iph,sizeof(*iph));
  ZeroMemory(tcph,sizeof(*tcph));
     count++;//读取的数据包计数
  /*读取包头*/
  if(!fread(ph,sizeof(pcap_header),1,pfile))
  {
   printf("读取数据包头失败\n");
   break;
  }
  printf("数据包%d的长度是%d,数据包读取的时间是%f\n",count,ph->capture_len ,ph->ts .timestamp_ms *0.001+ph->ts .timestamp_s );
  /*读取以太网头*/
  if(!feof(pfile))
  {
   if(!fread(eh,sizeof(*eh),1,pfile)/*||eh->ether_type !=0x0800*/)
   {
    printf("读取以太网头部失败\n");
    break;
   }
  }
  printf("源MAC地址是：0x%2x:0x%2x:0x%2x:0x%2x:0x%2x:0x%2x\n",eh->ether_shost[0],eh->ether_shost [1],eh->ether_shost [2],eh->ether_shost [3],eh->ether_shost [4],eh->ether_shost [5] );
  printf("目的MAC地址是：0x%2x:0x%2x:0x%2x:0x%2x:0x%2x:0x%2x\n",eh->ether_dhost [0],eh->ether_dhost [1],eh->ether_dhost [2],eh->ether_dhost [3],eh->ether_dhost [4],eh->ether_dhost [5]);
  /*读取IP头*/
  if(!feof(pfile))
  {
   if(!fread(iph,sizeof(*iph),1,pfile)/*||iph->protocol !=6*/)
   {
    printf("读取IP头失败\n");
    break;
   }
  }
  printf("源IP地址：%s\n",inet_ntoa(iph->src_IP));
  printf("目的IP地址：%s\n",inet_ntoa(iph->dst_IP ));
  /*读取TCP头*/
  if(!feof(pfile))
  {
   if(!fread(tcph,sizeof(*tcph),1,pfile))
   {
    printf("读取tcp头失败\n");
    break;
   }
  }
  printf("源端口：%d\n",tcph->src_port );
  printf("目的端口：%d\n",tcph->dst_port );
  if(ph->capture_len -54==0)//没有数据部分
  {
   continue;
  }
  else//存在数据部分，读取数据
  {
   unsigned char *buf=(unsigned char*)malloc(ph->capture_len -54);
      if(buf==NULL)
   {
    printf("分配数据区域失败！\n");
    break;
   }
   if(!feof(pfile))
   {
    if(!fread(buf,sizeof(unsigned char),ph->capture_len -54,pfile))
    {
     printf("读取数据失败\n");
     break;
    }
   }
  }
 }//end while
 /*释放资源*/
 free(ph);
 free(eh);
 free(iph);
 free(tcph);
 fclose(pfile);
}