Compilare: user.cpp: In function ‘char get()’: user.cpp:18:39: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread( buff, 1, BUFF_SIZE, f ); ^ user.cpp: In function ‘int main()’: user.cpp:54:18: warning: ‘c’ may be used uninitialized in this function [-Wmaybe-uninitialized] else if( c == v ) ^