Outline for April 10, 2002

Handouts: More Sample C Programs

Reading: Johnsonbaugh & Kalin pp. 153-176, 230-237, 305-329

1.	Greetings and felicitations!

a.	Homework, problem 3: review scanf and how to read in integers

b.	Homework, problem 4: floating point constants (1.0F) vs. double constants (1.0)

c.	Homework, problem 5: how to input newline (^V^J), carriage return (^V^M), bell (^G), form feed (^L), ver-
tical tab (^K), NUL (^2). 

2.	dands2.c

a.	switch

3.	pow.c

a.	function prototype & declaration

b.	pass by value vs. pass by reference; C always the former

c.	scope in functions

d.	returning values

4.	copy1.c

a.	strings (NUL-terminated arrays)

b.	printing strings

5.	copy2.c

a.	definition of pointer; address of variables (&), dereferencing of pointer (*)

b.	how it is used

c.	pointer arithmetic (in the printf)

6.	swaps.c

a.	pointers and parameter lists

b.	pointers and var paramaters