Answers to Review: Directives and Functions

Directives

1. preprocessor directives, main function, body functions

2. tells the compiler to add a header file before compiling

3. contains information about how the compiler should interpret the functions in the program

4. standard input output header file

5. on the first line

Functions

1. a command to do something

2. for simple programs which do not return any value

3. prints something on the screen

4. body functions go inside the body of the main function

Escape Characters

1. adds a blank line

2. adds a tab

White Box Testing

1. four errors:

• line 1 has two errors; it should be: #include <stdio.h>
• line 4 should end with a semicolon ;
• line 5 should have a close curly brace }

2. three errors:

• line 2 should be: void main( )
• line 3 should be open curly brace: {
• line 4 should have \n instead of /n

3. three errors: