Compilare: user.c: In function ‘c2’: user.c:65:19: warning: unused variable ‘t’ [-Wunused-variable] unsigned int a,p,t; ^ user.c: In function ‘get_last_bit’: user.c:28:2: warning: ‘m’ may be used uninitialized in this function [-Wmaybe-uninitialized] return m; ^ user.c: In function ‘main’: user.c:96:5: warning: ‘m’ may be used uninitialized in this function [-Wmaybe-uninitialized] lb = get_last_bit(n); ^