Data Structures - Appending Two Linked List based upon two data members

  class CClass1
  {
  public:
     char mStringData[10];;
     long int mDataMember1;
     long int mDataMember2;
     CClass1 *structpNextValue;
     void SetValue(CString string, long int a, long int b)
     {
       strcpy(mStringData, string);
       mDataMember1 = a;
       mDataMember2 = b;
     }
     CClass1(void);
     ~CClass1(void);
  };
  class CClass2
  {
    public:
       char mStringData[10];
       long int mDataMember1;
       long int mDataMember2;
       CClass2 *structpNextValue;
       void SetValue(CString string, long int a, long int b)
       {
         strcpy(mStringData, string);
         mDataMember1 = a;
         mDataMember2 = b;
       }
       CClass2(void);
       ~CClass2(void);
  };
   CClass1 *pstrTemp;
   lTemp = lNumOrphanRecord;
   pstrTemp = (CClass1*)malloc(sizeof(CClass1));
   pstrTemp->structpNextValue = NULL;
   CClass2 *pstrExcTemp = &mObject2[0];
   while(lTemp > 0)
   {
     pstrTemp->mDataMember1 = pstrExcTemp->mDataMember1;
     strcpy(pstrTemp->mStringData, pstrExcTemp->mStringData);
     pstrTemp->mDataMember2 = pstrExcTemp->mDataMember2;
     pstrExcTemp = pstrExcTemp->structpNextValue;
     if (mObject1->mDataMember1 == 0)
     {
       mObject1 = pstrTemp;
     }
     else
     {
       CClass1 *pstrPrev = NULL;
       CClass1 *pstrCurr = mObject1;
       long int tempSeqNum = mObject1->mDataMember1;
       int Icount=0;
       while ( (pstrCurr) &&(pstrCurr->mDataMember1 !=0) &&
      (pstrCurr->mDataMember1 < pstrTemp->mDataMember1) )
       {
         pstrPrev = pstrCurr;
         pstrCurr = pstrCurr->structpNextValue;
       }
       if ((pstrCurr) && (pstrCurr->mDataMember1 == pstrTemp->mDataMember1) )
       {
         if (pstrCurr->mDataMember2 < pstrTemp->mDataMember2)
         {
           pstrTemp->structpNextValue = pstrCurr->structpNextValue;
           free(pstrCurr);
           pstrCurr = pstrTemp;
           if (tempSeqNum == pstrTemp->mDataMember1)
           {
             mObject1 = pstrCurr;
           }
           if(pstrPrev)
           {
             pstrPrev->structpNextValue = pstrCurr;
           }
         }
         if(!pstrTemp)
           pstrTemp = NULL;
         lNumOrphanRecord--;
       }
       else
       {
         if (pstrPrev)
         {
           pstrPrev->structpNextValue = pstrTemp;
           pstrTemp->structpNextValue = pstrCurr;
         }
         else
         {
           pstrTemp->structpNextValue = pstrCurr;
           mObject1 = pstrTemp;
         }
       }
     }
       pstrTemp = (CClass1*)malloc(sizeof(CClass1));
       pstrTemp->structpNextValue = NULL;
       lTemp--;
   }
   lNumRecord += lNumOrphanRecord;
   pstrExcTemp = &mObject2[0];
   pstrExcTemp = pstrExcTemp->structpNextValue;
  
         while(mObject2->structpNextValue != NULL)
         {
           pstrExcTemp = mObject2->structpNextValue;
           mObject2->structpNextValue = pstrExcTemp->structpNextValue;
             if(!pstrExcTemp)
               pstrExcTemp = NULL;
         }