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- * @Id: curs_scr_dump.3x,v 1.11 2017/04/17 00:41:24 tom Exp @
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</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
- <STRONG>int</STRONG> <STRONG>scr_dump(const</STRONG> <STRONG>char</STRONG> <STRONG>*filename);</STRONG>
- <STRONG>int</STRONG> <STRONG>scr_restore(const</STRONG> <STRONG>char</STRONG> <STRONG>*filename);</STRONG>
- <STRONG>int</STRONG> <STRONG>scr_init(const</STRONG> <STRONG>char</STRONG> <STRONG>*filename);</STRONG>
- <STRONG>int</STRONG> <STRONG>scr_set(const</STRONG> <STRONG>char</STRONG> <STRONG>*filename);</STRONG>
+ <STRONG>int</STRONG> <STRONG>scr_dump(const</STRONG> <STRONG>char</STRONG> <STRONG>*</STRONG><EM>filename</EM><STRONG>);</STRONG>
+ <STRONG>int</STRONG> <STRONG>scr_restore(const</STRONG> <STRONG>char</STRONG> <STRONG>*</STRONG><EM>filename</EM><STRONG>);</STRONG>
+ <STRONG>int</STRONG> <STRONG>scr_init(const</STRONG> <STRONG>char</STRONG> <STRONG>*</STRONG><EM>filename</EM><STRONG>);</STRONG>
+ <STRONG>int</STRONG> <STRONG>scr_set(const</STRONG> <STRONG>char</STRONG> <STRONG>*</STRONG><EM>filename</EM><STRONG>);</STRONG>
</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
- The <STRONG>scr_dump</STRONG> routine dumps the current contents of the virtual screen
+ The <STRONG>scr_dump</STRONG> routine dumps the current contents of the <EM>virtual</EM> <EM>screen</EM>
to the file <EM>filename</EM>.
- The <STRONG>scr_restore</STRONG> routine sets the virtual screen to the contents of
+ The <STRONG>scr_restore</STRONG> routine sets the <EM>virtual</EM> <EM>screen</EM> to the contents of
<EM>filename</EM>, which must have been written using <STRONG>scr_dump</STRONG>. The next call
- to <STRONG>doupdate</STRONG> restores the screen to the way it looked in the dump file.
+ to <STRONG>doupdate</STRONG> restores the <EM>physical</EM> <EM>screen</EM> to the way it looked in the
+ dump file.
The <STRONG>scr_init</STRONG> routine reads in the contents of <EM>filename</EM> and uses them to
initialize the <STRONG>curses</STRONG> data structures about what the terminal currently
has on its screen. If the data is determined to be valid, <STRONG>curses</STRONG> bases
- its next update of the screen on this information rather than clearing
- the screen and starting from scratch. <STRONG>scr_init</STRONG> is used after <STRONG>initscr</STRONG>
- or a <STRONG>system</STRONG> call to share the screen with another process which has
- done a <STRONG>scr_dump</STRONG> after its <STRONG><A HREF="curs_initscr.3x.html">endwin(3x)</A></STRONG> call. The data is declared in-
- valid if the terminfo capabilities <STRONG>rmcup</STRONG> and <STRONG>nrrmc</STRONG> exist; also if the
- terminal has been written to since the preceding <STRONG>scr_dump</STRONG> call.
-
- The <STRONG>scr_set</STRONG> routine is a combination of <STRONG>scr_restore</STRONG> and <STRONG>scr_init</STRONG>. It
+ its next update of the screen on this information rather than clearing
+ the screen and starting from scratch. <STRONG>scr_init</STRONG> is used after <STRONG>initscr</STRONG>
+ or a <STRONG>system</STRONG> call to share the screen with another process which has
+ done a <STRONG>scr_dump</STRONG> after its <STRONG><A HREF="curs_initscr.3x.html">endwin(3x)</A></STRONG> call. The data is declared in-
+ valid
+
+ <STRONG>o</STRONG> if the terminfo capabilities <STRONG>rmcup</STRONG> and <STRONG>nrrmc</STRONG> exist, also
+
+ <STRONG>o</STRONG> if the terminal has been written to since the preceding <STRONG>scr_dump</STRONG>
+ call.
+
+ The <STRONG>scr_set</STRONG> routine is a combination of <STRONG>scr_restore</STRONG> and <STRONG>scr_init</STRONG>. It
tells the program that the information in <EM>filename</EM> is what is currently
on the screen, and also what the program wants on the screen. This can
be thought of as a screen inheritance function.
- To read (write) a window from (to) a file, use the <STRONG>getwin</STRONG> and <STRONG>putwin</STRONG>
+ To read (write) a window from (to) a file, use the <STRONG>getwin</STRONG> and <STRONG>putwin</STRONG>
routines [see <STRONG><A HREF="curs_util.3x.html">curs_util(3x)</A></STRONG>].
</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
All routines return the integer <STRONG>ERR</STRONG> upon failure and <STRONG>OK</STRONG> upon success.
- X/Open defines no error conditions. In this implementation, each will
+ X/Open defines no error conditions. In this implementation, each will
return an error if the file cannot be opened.
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