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

typedef struct Teacher
{
    char name[64];
    char *alisname;
    char **stuname;
    int age;
}Teacher;

int printTeacher(Teacher *Array1,int num)
{
    int i=0;
    if(Array1=NULL)
    {
        return -1;
    }
   
    for(i=0; i<num; i++)
    {
        printf("%d",Array1[i].age);
    }
    return 0;
}

int sortTeacher(Teacher *Array2,int num)
{
    int i,j;
    Teacher tmp;
    if(Array2==NULL)
    {
        return -2;
    }
   
    for(i=0; i<num; i++)
    {
        for(j=i+1; j<num; j++)
        {
            if(Array2[i].age > Array2[i].age)
            {
                tmp = Array2[i];
                Array2[i] = Array2[j];
                Array2[j] = tmp;
            }
        }
    }
    return 0;
}

int CreateTeacher(Teacher **Array3,int num)
{
    int i=0,j=0;
    Teacher *tmp=NULL;
    if(Array3==NULL)
    {
        return -3;
    }
    tmp=(Teacher *)malloc(sizeof(Teacher)*num);
    if(tmp==NULL)
    {
        printf("func CreateTeacher(if(tmp==NULL))err\n");
        return NULL;
    }
   
    memset(tmp,0,sizeof(Teacher)*num);
   
    for(i=0;i<num;i++)
    {
        char **p=NULL;
        tmp[i].alisname=(char *)malloc(60);
        
        p=(char **)malloc(sizeof(char *)*num);
        if(p=NULL)
        {
            printf("func CreateTeacher(    p=(char **)malloc(sizeof(char *)*num))err\n");
            return NULL;
        }
        
        memset(p,0,sizeof(char *)*num);
        
        for(j=0; j<num; j++)
        {
            p[j]=(char *)malloc(60);
        }
        tmp[i].stuname=p;
    }
    *Array3=tmp;
    return 0;
}


int FreeTeacher(Teacher *Array4,int num)
{
    int i=0,j=0;
    Teacher *Linshi=NULL;
    Linshi=Array4;
    if(Array4==NULL)
    {
        return -4;
    }
   
    for(i=0;i<num;i++)
    {
        if(Linshi[i].alisname!=NULL)
        {
            free(Linshi[i].alisname);
        }
        
        if(Linshi[i].stuname!=NULL)
        {
            char **MyNeiCun=Linshi[i].stuname;
            for(j=0; j<num; j++)
            {   
                if(MyNeiCun[j]!=NULL)
                {
                    free(MyNeiCun[j]);
                }
            }
            free(MyNeiCun);
            Linshi[i].stuname=NULL;
        }
    }
    free(Linshi);
    Array4=NULL;
   
    return 0;
}

int main(void)
{
    int ret=0,i=0,j=0,num=3;
    Teacher *pArray=NULL;
    ret=CreateTeacher(&pArray,num);
    if(ret!=0)
    {
        printf("func ret=CreateTeacher(&pArray,num)err:%d",ret);
        return ret;
    }
   
    for(i=0; i<num; i++)
    {
        printf("\n 请输入老师的年龄:");
        scanf("%d",&(pArray[i].age));
        
        printf("\n 请输入老师的名字:");
        scanf("%s",pArray[i].name);
        
        printf("\n 请输入老师的别名:");
        scanf("%s" ,pArray[i].alisname);
        
        for(j=0; j<num; j++)
        {
            printf("请输入第%d个学生的名字:",j+1);
            scanf("%d",pArray[i].stuname[j]);
        }
    }
   
    printf("排序之前\n");
    printTeacher(pArray,num);
   
    sortTeacher(pArray,num);
   
    printf("排序之后\n");
    printTeacher(pArray,num);
   
    printf(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
    printf("释放内存中>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
   
    FreeTeacher(pArray,num);
   
    printf("释放内存完毕>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
   
    system("pause");
    return 0;
}

沒有輸出，自己根據程序邏輯選擇位置添加printf()語句看輸出唄。

  好方法 谢谢