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)