二级指针做输入第三种数据类型

#define _CRT_SECURE_NO_WARNINGS
#include "stdio.h"
#include "string.h"
//打印函数---打印数组
void print_array(char *string_word, char *array[], int num)
{
    int i = 0;
    printf("%s\n", string_word);
    for (i = 0; i < num; i++)
    {
        printf("%s\n", *(array + i));
    }

}
int sort_array(char *array[], int num)
{
    int i, j = 0;
    char *temp;
    char **a;
    a = array;
    if (array == NULL || num < 0)
    {
        return -1;
    }
    for (i = 0; i < num; i++)
    {
        for (j = i; j < num; j++)
        {
            if (strcmp(a[i], a[j])<0)
            {
                temp = a[j];
                a[j] = a[i];
                a[i] = temp;
            }
        }
    }
    return 1;
}
void main()
{
    char **p=NULL;
    int num = 5;
    int i = 0;
    p = (char **)malloc(sizeof(char *)*num);
    for (i = 0; i < num; i++)
    {
        p[i] = (char *)malloc(sizeof(char)* 100);
        sprintf(p[i], "%d%d%d", i+1, i+1, i+1);
    }
    print_array("排序之前",p,num);
    sort_array(p, num);
    print_array("排序之后", p, num);

}