Eroare de compilare: user.cpp:38: error: expected constructor, destructor, or type conversion before ‘void’ user.cpp: In function ‘int main()’: user.cpp:58: error: ‘copiere’ was not declared in this scope user.cpp:48: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:49: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result