Compilare: user.cpp: In function ‘void get(int*, char*)’: user.cpp:17:22: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(A,0,sizeof(A)); ^ user.cpp: In function ‘void get(int*, int*)’: user.cpp:25:22: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(A,0,sizeof(A)); ^ user.cpp: In function ‘void get(int*, int)’: user.cpp:32:22: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(A,0,sizeof(A)); ^