#include 
     
      #include 
      
       #include 
       
        #define datatype intstruct array{    datatype *pstart;//数组首地址    int length;//长度    int sortstat;//有序或者无序 0 无序 1 有序};void init(struct array *parr);void initwithdata(struct array *parr,datatype data);void initwitharray(struct array *parr,datatype *pdata,int datalength);void show(struct array *parr);void addobject(struct array *parr,datatype data);void addobjects(struct array *parr,datatype *pdata,int datalength);void main(){    struct array mydata;    int a[10] = {
   1,2,3,4,5,6,7,8,9,10};    int b[6] = {
   11,12,13,14,15,16};    int c[5] = {
   17,18,19,20,21};    initwitharray(&mydata,a,10);    show(&mydata);    addobjects(&mydata,b,6);    show(&mydata);    addobjects(&mydata,c,5);    show(&mydata);}void init(struct array *parr){    parr->pstart = NULL;    parr->length = 0;    parr->sortstat = 0;}void initwithdata(struct array *parr,datatype data){    parr->pstart=(datatype *)(sizeof(datatype));    *(parr->pstart) = data;    parr->length = 1;    parr->sortstat = 0;}void initwitharray(struct array *parr,datatype *pdata,int datalength){    parr->pstart= (datatype *)malloc(sizeof(datatype)*datalength);    memcpy(parr->pstart,pdata,sizeof(datatype)*datalength);    parr->length = datalength;    parr->sortstat = 0;}void show(struct array *parr){    if(parr == NULL || parr->pstart ==  NULL || parr->length == 0)    {        printf("没有");        return;    }    else    {        printf("\n数组此时状态\n");        for(int i=0;i
        
         length;i++)        {            printf("%4d",parr->pstart[i]);        }    }    printf("\n");}void addobject(struct array *parr,datatype data){    if(parr != NULL)    {        if(parr->pstart == NULL || parr->length == 0)        {            initwithdata(parr,data);        }        else        {            parr->pstart = (datatype *)realloc(parr->pstart,parr->length*sizeof(datatype)+sizeof(datatype));            parr->pstart[parr->length] = data;            parr->length++;        }    }    else    {        printf("%s","addobject error");    }}void addobjects(struct array *parr,datatype *pdata,int datalength){    if(parr != NULL)    {        if(parr->pstart == NULL || parr->length == 0)        {            initwitharray(parr,pdata,datalength);        }        else        {            parr->pstart = (datatype *)realloc(parr->pstart,parr->length*sizeof(datatype)+datalength*sizeof(datatype));            memcpy(parr->pstart+parr->length,pdata,datalength*sizeof(datatype));            parr->length += datalength;        }    }    else    {        printf("%s","addobjects error");    }    }