哪位大佬帮我看看哪里错了，谢谢

#include <stdio.h> 

int people(n)

{

    int age;

    if(n==1)

    return 10;

else

    age=people(n-1)+2;

    return age;

}

int main() 

{

    int people(5);

printf("第5个人的年龄是%d岁", people(5)); 

return 0;

}