drumuri2.cpp: In function 'char getChar(FILE*)': drumuri2.cpp:29: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result drumuri2.cpp: In function 'int main()': drumuri2.cpp:160: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result