Sams Teach Yourself C in 21 Days

3. A string is a sequence of characters terminated by the null character.


4. A sequence of one or more characters enclosed in double quotation marks.


5. To hold the string’s terminating null character.


6. As a sequence of ASCII values corresponding to the quoted characters, followed
   by 0 (the ASCII code for the null character).


7. a. 97
   b. 65
   c. 57
   d. 32
   e. 206
   f. 6


8. a. I
   b. a space
   c. c
   d. a
   e. n
   f. NUL
   g.B


9. a. 9 bytes. (Actually, the variable is a pointer to a string, and the string requires
   9 bytes of memory—8 for the string and 1 for the null terminator.)
   b. 9 bytes
   c. 1 byte
   d. 20 bytes
   e. 20 bytes


10. a. A
    b. A string!
    c. 0 (NULL)
    d. This is beyond the end of the string, so it could have any value.
    e.!
    f. This contains the address of the first element of the string.

854 Appendix F

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