int  zip64;               /* Add ZIP64 extened information in the extra field */
    ZPOS64_T pos_zip64extrainfo;
    ZPOS64_T totalCompressedData;
    ZPOS64_T totalUncompressedData;
#ifndef NOCRYPT
    unsigned long keys[3];     /* keys defining the pseudo-random sequence */
    const z_crc_t* pcrc_32_tab;
    unsigned crypt_header_size;
#endif
} curfile64_info;

typedef struct
{
    zlib_filefunc64_32_def z_filefunc;
    voidpf filestream;        /* io structore of the zipfile */

      {     /* data overflow - hack for ZIP64 (X Roche) */
      for (n = 0; n < nbByte; n++)
        {
          buf[n] = 0xff;
        }
      }

    if (ZWRITE64(*pzlib_filefunc_def,filestream,buf,(uLong)nbByte)!=(uLong)nbByte)
        return ZIP_ERRNO;
    else
        return ZIP_OK;
}

local void zip64local_putValue_inmemory OF((void* dest, ZPOS64_T x, int nbByte));
local void zip64local_putValue_inmemory (void* dest, ZPOS64_T x, int nbByte)

{
    uLong year = (uLong)ptm->tm_year;
    if (year>=1980)
        year-=1980;
    else if (year>=80)
        year-=80;
    return
      (uLong) (((uLong)(ptm->tm_mday) + (32 * (uLong)(ptm->tm_mon+1)) + (512 * year)) << 16) |
        (((uLong)ptm->tm_sec/2) + (32 * (uLong)ptm->tm_min) + (2048 * (uLong)ptm->tm_hour));
}


/****************************************************************************/

local int zip64local_getByte OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int *pi));

    if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)
      break;

    for (i=(int)uReadSize-3; (i--)>0;)
      if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
        ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
      {
        uPosFound = uReadPos+(unsigned)i;
        break;
      }

    if (uPosFound!=0)
      break;
  }
  TRYFREE(buf);
  return uPosFound;
}

/*
Locate the End of Zip64 Central directory locator and from there find the CD of a zipfile (at the end, just before

      break;

    for (i=(int)uReadSize-3; (i--)>0;)
    {
      // Signature "0x07064b50" Zip64 end of central directory locater
      if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07))
      {
        uPosFound = uReadPos+(unsigned)i;
        break;
      }
    }

      if (uPosFound!=0)
        break;
  }

  if (uL != 0x06064b50) // signature of 'Zip64 end of central directory'
    return 0;

  return relativeOffset;
}

local int LoadCentralDirectoryRecord(zip64_internal* pziinit)
{
  int err=ZIP_OK;
  ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/

  ZPOS64_T size_central_dir;     /* size of the central directory  */
  ZPOS64_T offset_central_dir;   /* offset of start of central directory */
  ZPOS64_T central_pos;

}

extern zipFile ZEXPORT zipOpen64 (const void* pathname, int append)
{
    return zipOpen3(pathname,append,NULL,NULL);
}

local int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_extrafield_local, const void* extrafield_local)
{
  /* write the local header */
  int err;
  uInt size_filename = (uInt)strlen(filename);
  uInt size_extrafield = size_extrafield_local;

  err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC, 4);

      short DataSize = 16;
      ZPOS64_T CompressedSize = 0;
      ZPOS64_T UncompressedSize = 0;

      // Remember position of Zip64 extended info for the local file header. (needed when we update size after done with file)
      zi->ci.pos_zip64extrainfo = ZTELL64(zi->z_filefunc,zi->filestream);

      err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)HeaderID,2);
      err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)DataSize,2);

      err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)UncompressedSize,8);
      err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)CompressedSize,8);
  }

  return err;
}

}

extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_size, uLong crc32)
{
    zip64_internal* zi;
    ZPOS64_T compressed_size;
    uLong invalidValue = 0xffffffff;
    unsigned datasize = 0;
    int err=ZIP_OK;

    if (file == NULL)
        return ZIP_PARAMERROR;
    zi = (zip64_internal*)file;

    if (zi->in_opened_file_inzip == 0)

}

extern int ZEXPORT zipCloseFileInZip (zipFile file)
{
    return zipCloseFileInZipRaw (file,0,0);
}

local int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eocd_pos_inzip)
{
  int err = ZIP_OK;
  ZPOS64_T pos = zip64eocd_pos_inzip - zi->add_position_when_writing_offset;

  err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDLOCHEADERMAGIC,4);

  /*num disks*/

  /*total disks*/ /* Do not support spawning of disk so always say 1 here*/
    if (err==ZIP_OK) /* number of the disk with the start of the central directory */
      err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)1,4);

    return err;
}

local int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip)
{
  int err = ZIP_OK;

  uLong Zip64DataSize = 44;

  err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDHEADERMAGIC,4);

  if (err==ZIP_OK) /* offset of start of central directory with respect to the starting disk number */
  {
    ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writing_offset;
    err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (ZPOS64_T)pos,8);
  }
  return err;
}
local int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip)
{
  int err = ZIP_OK;

  /*signature*/
  err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4);

  if (err==ZIP_OK) /* number of this disk */

    else
      err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writing_offset),4);
  }

   return err;
}

local int Write_GlobalComment(zip64_internal* zi, const char* global_comment)
{
  int err = ZIP_OK;
  uInt size_global_comment = 0;

  if(global_comment != NULL)
    size_global_comment = (uInt)strlen(global_comment);

  short dataSize;

  int retVal = ZIP_OK;

  if(pData == NULL || *dataLen < 4)
    return ZIP_PARAMERROR;

  pNewHeader = (char*)ALLOC((unsigned)*dataLen);
  pTmp = pNewHeader;

  while(p < (pData + *dataLen))
  {
    header = *(short*)p;
    dataSize = *(((short*)p)+1);