||Broken link! "is covered in Chapter 28" - not exactly Stefan's fault, because the book was re-organised quite late on in its development, and a chapter was removed - Stefan is pointing us to the old chapter number for Embedded Systems.
||Change to "is covered in Chapter 27"
system("&hello"); - only
works in some UNIX shells, not all of them.
|It's not exactly wrong, but it might not work in
your shell. Stefan may have meant
p is wrong.
|Change it to
||NULL should be monospaced