used incredibly similar to printf(). scanf("format",pointer)

Scan one

int bober;
scanf("%d", &bober); // gives it a value from stdin
printf("%d", &bober); // outputs in stdout

Scan Multiple

int a;
int b;
scanf("%d%d",&a,&b);

scanf() a string including whitespace

char ss[MAX_LEN];
scanf("\n");
scanf("%[^\n]%*c", ss);

scanf() and avoid multiple inputs

scanf(" %c", s);