#define  CRT_SECURE_NO_WARNINGS  1
typedef struct stu
{
    char name[20];
    char age;
    char gender[10];
}stu;
#include<stdio.h>
int main()
{
    int i = 0;
    stu s1 = { {"Jack"},{18},{"man"} };
    printf("%-8s%-7s%-6s\n", "Name", "Age", "Gender");
    for (i = 0; i < 21; i++)
    {
        printf("-");
    }
    printf("\n");
    printf("%-8s%-7d%-6s\n", s1.name, s1.age, s1.gender);
    return 0;
}