Compilare: user.cpp: In function ‘char getch()’: user.cpp:16:51: warning: ignoring return value of ‘size_t fread_unlocked(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread_unlocked(buff, 1, BUFF, in), pos = 0; ^ user.cpp: In function ‘int main()’: user.cpp:48:14: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] else if(*(v + i) == p) ^