Hmmm... From man 3 printf: "These functions return the number of characters printed (not including the trailing `\0' used to end output to strings) or a negati

Hmmm... From man 3 printf: "These functions return the number of characters printed (not including the trailing `\0' used to end output to strings) or a negative value if an output error occurs". So the 17 makes sense, but where did the output go?!