1Printed string of length 3 to buffer of size 4 with snprintf.
2Return value = 3
3Buffer was null-terminated by snprintf
4
5Printed string of length 4 to buffer of size 4 with snprintf.
6Return value = 4
7Buffer was NOT null-terminated by snprintf
8
9Printed string of length 5 to buffer of size 4 with snprintf.
10Return value = -1
11Buffer was NOT null-terminated by snprintf
12
13