muzeu.cpp: In function 'int main()': muzeu.cpp:18: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result muzeu.cpp:19: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result muzeu.cpp: In function 'void citire(int*)': muzeu.cpp:149: error: 'strlen' was not declared in this scope muzeu.cpp:148: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result