#include <stdio.h>

typedef struct {
    char name[20];
    int id;
} user;
void show(user u)
{
    printf("%s", u.name);
}
int main() {
    user user1 = {"aissam", 65879};
    user user2 = {"ayman", 46876};
    show(user2);
    return 0;
}