程序代码：

# include <stdio.h>

struct student
{  
    int age;
    int score;
    char set;
};

int main(void)
{  
    struct student st = {18, 90,'B'};
    printf("age = %d\nscore = %d\nset = %c\n",st.age ,st.score ,st.set);

   return 0;
}