Compilare: main.cpp: In function 'void rd::refresh()': main.cpp:13:51: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buffer, 1, bsize, stdin), cursor = 0; ^ main.cpp: In function 'int main()': main.cpp:128:47: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("colorfulconflict.in", "r", stdin); ^ main.cpp:129:49: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("colorfulconflict.out", "w", stdout); ^