8.结构体

struct _Teacher
{
    char name[62];
    char c;
    int age;
}

typedef sturct _Teacher
{
    char name[62];
    char c;
    int age;
    
} Teacher;

Teacher t1;
Teacher *p = (Teacher *)malloc(sizeof(Teacher));

struct _Teacher2
{
    char name[62];
    char c;
    int age;
} t2,t3;

struct 
{
    char name[62];
    char c;
    int age;
} t4;