\I\\{argc}, \[5], 7, 8.
\I\\{argv}, \[5], 7, 10, 17.
\I\\{buf\_end}, \[12], 13, 16.
\I\\{buf\_size}, \[12], 16.
\I\\{buffer}, \[12], 13, 16.
\I\.{BUFSIZ}, 12.
\I\|{c}, \[12].
\I\.{cannot open file}, 10.
\I\\{cannot\_open\_file}, \[4], 10.
\I\\{char\_count}, \[12], 13, 16, 17, 18, \[20].
\I\\{close}, 11.
\I\\{exit}, 5.
\I\\{fd}, \[9], 10, 11, 16.
\I\\{file\_count}, \[6], 7, 10, 17, 19.
\I\\{fprintf}, 10, 20.
\I\\{in\_word}, \[12], 13, 15.
\I{Joke}, 14.
\I\\{line\_count}, \[12], 13, 15, 17, 18, \[20].
\I\\{main}, \[5], 14.
\I\.{OK}, \[4].
\I\\{open}, 10.
\I\\{print\_count}, \[20].
\I\\{printf}, 17, 19, 20.
\I\\{prog\_name}, \[4], 5, 10, 20.
\I\\{ptr}, \[12], 13, 15, 16.
\I\\{read}, 16.
\I\.{READ\_ONLY}, \[10].
\I\\{status}, \[4], 5, 10, 20.
\I\\{stderr}, 3, 10, 20.
\I\\{stdin}, 9, 17.
\I\\{stdout}, 3.
\I\\{tot\_char\_count}, \[14], 18, 19.
\I\\{tot\_line\_count}, \[14], 18, 19.
\I\\{tot\_word\_count}, \[14], 18, 19.
\I\.{Usage: ...}, 20.
\I\\{usage\_error}, \[4], 20.
\I\\{wc\_print}, 17, 19, \[20].
\I\\{which}, \[6], 7, 17, 19, \[20].
\I\\{word\_count}, \[12], 13, 15, 17, 18, \[20].