teatru.cpp: In function 'int main()': teatru.cpp:17: error: 'fgetchar' was not declared in this scope teatru.cpp:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result teatru.cpp:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result