- characters. Possible function keys are defined in <STRONG><curs-</STRONG>
- <STRONG>es.h></STRONG> as macros with values outside the range of 8-bit
- characters whose names begin with <STRONG>KEY_</STRONG>. Thus, a variable
- intended to hold the return value of a function key must
- be of short size or larger.
+ characters:
+
+ <STRONG>o</STRONG> The predefined function keys are listed in <STRONG><curses.h></STRONG>
+ as macros with values outside the range of 8-bit char-
+ acters. Their names begin with <STRONG>KEY_</STRONG>.
+
+ <STRONG>o</STRONG> Other (user-defined) function keys which may be de-
+ fined using <STRONG><A HREF="define_key.3x.html">define_key(3x)</A></STRONG> have no names, but also are
+ expected to have values outside the range of 8-bit
+ characters.
+
+ Thus, a variable intended to hold the return value of a
+ function key must be of short size or larger.