二级指针内存模型

#define  _CRT_SECURE_NO_WARNINGS 
#include <stdlib.h>
#include <string.h>
#include <stdio.h>


void main2()
{
    int i = 0;

    //指针数组
    char *   p1[] = {"123", "456", "789"};


    //二维数组
    char p2[3][4]  = {"123", "456", "789"};

    //手工二维内存
    char **p3 = (char **)malloc(3 * sizeof(char *)); //int array[3];

    for (i=0; i<3; i++)
    {
        p3[i] = (char *)malloc(10*sizeof(char)); //char buf[10]

        sprintf(p3[i], "%d%d%d", i, i, i);
    }
}


void main555()
{
    printf("hello...
");
    system("pause");
    return ;
}