5.二级指针

一.二级指针的输入模型

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

#pragma warning(disable:4996)

int printArray(char **pArray, int num)
{
    if (pArray == NULL)
    {
        return -1;
    }
    int i = 0;
    for (i = 0; i < num;i++)
    {
        printf("myArray[%d] = %s\n", i, pArray[i]);
    }
    return 0;
}

void main() {

    int i = 0, j = 0;
    char *temp = NULL;
    char * myArray[] = {"aaaaa","bbbbb","ccccc","1111111111"};

    printf("打印前......\n");

    /*for (i = 0; i < 4; i++)
    {
        printf("myArray[%d] = %s\n",i,myArray[i]);
    }*/

    printArray(myArray,4);

    for (i = 0; i < 4; i++)
    {
        for (j = i + 1; j < 4; j++)
        {
            if (strcmp(myArray[i], myArray[j]) > 0)
            {
                temp = myArray[i];
                myArray[i] = myArray[j];
                myArray[j] = temp;
            }
        }
    }

    printf("打印后......\n");

    /*for (i = 0; i < 4; i++)
    {
        printf("myArray[%d] = %s\n", i, myArray[i]);
    }*/
    printArray(myArray, 4);

    system("pause");

}

打印结果：