C/C++深度copy和浅copy

#define  _CRT_SECURE_NO_WARNINGS

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

/*
   深拷贝： 拷贝方和被拷贝方不共享一片内存
   浅拷贝： 拷贝方和被拷贝方共享一片内存
*/
typedef struct Stu {

    int len;
    char *ps;
}stu;
int main(int args , char * argv []) {

    stu sa, sb;
    sa.ps = (char *)malloc(sizeof(char )*);
    strcpy(sa.ps,"hello");
    printf("sa.ps=%s\n",sa.ps);
    sb.ps = (char *)malloc(sizeof(char) * );
    //sb.ps = sa.ps;    --浅copy
    strcpy(sb.ps , sa.ps);  //--深copy
    printf("sb.ps=%s\n",sb.ps);
    *sa.ps = 'Z';
    printf("%s\n",sb.ps);
    getchar();
    return ;
}