Josh Morrison questions

• What does it mean when a function signature has "&" before the name?
• Does %*d mean one or more integer?
• OO: how to create a function "addFruit" to add fruit into a vector<fruit>
• use "grep" command to find txt files containing telephone number
• what does chess& = board[i] mean?
• difference between Linux kernel and UNIX kernel(such as FreeBSD) from programmer's point of view
• How to generate pseudo random number between A to B (A,B are int)in GNU C just with standard library
• How to break out of an infinite loop in emacs lisp ? (environment: emacs)
• what is "tty" on FreeBSD?
• About "static" in C, how is it implemented by the compiler?

Josh Morrison answers