C++二级指针第三种内存模型

#include "stdio.h"
#include "stdlib.h"
#include "string.h"
void main()
{
    int i = 0, j = 0;
    char buf[100];
    char **myarray = (char **)malloc(10*sizeof(char*)); //int array[10]
    if (myarray == NULL)
    {
        return;
    }
    for (i=0; i<10; i++)
    {
        myarray[i] = (char *)malloc(100*sizeof(char)); //char buf[100];
        if (myarray[i]  == NULL)
        {
            printf("ddddde\n");
            return;
        }
        sprintf(myarray[i],"%d%d%d ", i, i, i);
    }

    //第三种内存模型打印 
    printf("排序之前\n");
    for (i=0; i<10; i++)
    {
        printf("%s\n", myarray[i]);
    }

    //排序
    for (i=0; i<10; i++)
    {
        for (j=i+1; j<10; j++)
        {
            if (strcmp(myarray[i], myarray[j]) < 0)
            {
                strcpy(buf, myarray[i]);
                strcpy(myarray[i], myarray[j]);
                strcpy(myarray[j], buf);
            }
        }
    }

    //第三种内存模型打印
    printf("排序之后\n");
    for (i=0; i<10; i++)
    {
        printf("%s\n", myarray[i]);
    }

    for (i=0; i<10; i++)
    {
        free(myarray[i] );
    }
    if (myarray != NULL) 
    {
        free(myarray);
    }

    system("pause");
}

#include "stdio.h"
#include "stdlib.h"
#include "string.h"
int    printfArr33(char **ArrayStr, int iNum)
{
    int i = 0;
    for (i=0; i<iNum; i++)
    {
        printf("%s \n", ArrayStr[i]);
    }
    return 0;
}

int sortArrayStr03(char **ArrayStr, int iNum)
{
    int i = 0, j = 0;
    char *tmp = NULL;
    //排序

    for (i=0; i<iNum; i++)
    {
        for (j=i+1; j<iNum; j++)
        {
            if (strcmp(ArrayStr[i],ArrayStr[j]) < 0)
            {
                tmp = ArrayStr[i];
                ArrayStr[i] = ArrayStr[j];
                ArrayStr[j] = tmp;
            }
        }
    }
    return 0;
}

void main()
{
    int i = 0, j = 0;
    char buf[100];
    char **myarray = (char **)malloc(10*sizeof(char*)); //int array[10]
    if (myarray == NULL)
    {
        return;
    }
    for (i=0; i<10; i++)
    {
        myarray[i] = (char *)malloc(100*sizeof(char)); //char buf[100];
        if (myarray[i]  == NULL)
        {
            printf("ddddde\n");
            return;
        }
        sprintf(myarray[i],"%d%d%d ", i, i, i);
    }

    //第三种内存模型打印 
    printf("排序之前\n");
    printfArr33(myarray, 10);

    sortArrayStr03(myarray, 10);

    //第三种内存模型打印
    printf("排序之后\n");
    printfArr33(myarray, 10);

    for (i=0; i<10; i++)
    {
        free(myarray[i] );
    }
    if (myarray != NULL) 
    {
        free(myarray);
    }

    system("pause");
}