Compilare: user.cpp: In function ‘int main()’: user.cpp:40:24: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] readinit("dtcsu.in"); ^ user.cpp: In function ‘char getch()’: user.cpp:21:40: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(ind==LEN) {fread(buffer,1,LEN,f);ind=0;} ^