Lesson 1.1: Hello, world

Lesson 1.5:
Character input and output (1/3)
Programming in C
Prof. Dr. Eike Best
Dr. Elke Wilkeit
September 28, 2002
1 #include
2
3 /* copy input to output; 1st version */
4 main()
5 {
6 int c;
7
8 c = getchar();
9 while (c != EOF) {
10 putchar(c);
11 c = getchar();
12 }
13 }
1 #include
2
3 /* copy input to output; 2nd version */
4 main()
5 {
6 int c;
7
8 while ((c =getchar()) != EOF)
9 putchar(c);
10 }
Exercise 1-6. (EOF) Verify that the expression getchar() != EOF is 0 or 1.
Exercise 1-7. (EOF again)
Write a program to print the value of EOF.