1.  What is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used?

2.  How can I remove the trailing spaces from a string?

3.  How can I remove the leading spaces from a string?

4.  How can I right-justify a string?

5.  How can I pad a string to a known length?

6.  How can I copy just a portion of a string?

7.  How can I convert a string to a number?

8.  How can you tell whether two strings are the same?

9.  How do you print only part of a string?