View Compilation Error

215856_0_18958.cpp:3: error: `year' was not declared in this scope
215856_0_18958.cpp:4: error: expected `,' or `;' before '{' token
215856_0_18958.cpp: In function `int main()':
215856_0_18958.cpp:23: error: `strlen' undeclared (first use this function)
215856_0_18958.cpp:23: error: (Each undeclared identifier is reported only once for each function it appears in.)
215856_0_18958.cpp:34: error: `feb' cannot be used as a function