error C2065: 'getage' : undeclared identifier

Question

#include "stdio.h"

 int getage(n)

{

int age;

if (n==1)

     age=10;

else

age=(getage(n-1))+2;

return age;

}

int main()

{

int fifthage=(getage(5));

printf("第五个人是%d岁\n",fifthage);

return 0;

}

Answer 1

getage(int n)