- These functions are described in the XSI Curses standard,
- Issue 4. The standard specifies that they return <STRONG>ERR</STRONG> on
- failure, but specifies no error conditions.
+ These functions are described in the XSI Curses standard, Issue 4. The
+ standard specifies that they return <STRONG>ERR</STRONG> on failure, but specifies no
+ error conditions.
+
+ The SVr4.0 manual says that these functions could return "a non-nega-
+ tive integer if <STRONG>immedok</STRONG> is set", referring to the return-value of <STRONG>wre-</STRONG>
+ <STRONG>fresh</STRONG>. In that implementation, <STRONG>wrefresh</STRONG> would return a count of the
+ number of characters written to the terminal.