Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:11:28: error: ‘fopen_s’ was not declared in this scope fopen_s(&f, "beep.in", "r"); ^ user.cpp:14:19: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s1, 100, f); ^ user.cpp:15:19: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s2, 100, f); ^