选择题 34.  若有以下程序：
    typedef struct stu{char *name,gender;int score;}STU;
    void f(char *p){p=(char *)malloc(10);strcpy(P,"Qian");}
    main(){
    STU a={NULL,'m',290},b;
    a.name=(char*)malloc(10);
    strcpy(a.name,"Zhao");
    b=a;f(b.name);
    b.gender='f';b.score=350;
    prinff("%s,%c,%d,",a.name,a.gender,a.score);
    printf("%s,%c,%d\n",b.name,b.gender,b.score);}
    则程序的运行结果是______。