ncurses 6.2 - patch 20210626
[ncurses.git] / doc / html / man / form_new.3x.html
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31   * @Id: form_new.3x,v 1.15 2020/10/24 09:02:26 tom Exp @
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33 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
34 <HTML>
35 <HEAD>
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37 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
38 <TITLE>form_new 3x</TITLE>
39 <link rel="author" href="mailto:bug-ncurses@gnu.org">
40 <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
41 </HEAD>
42 <BODY>
43 <H1 class="no-header">form_new 3x</H1>
44 <PRE>
45 <STRONG><A HREF="form_new.3x.html">form_new(3x)</A></STRONG>                                                      <STRONG><A HREF="form_new.3x.html">form_new(3x)</A></STRONG>
46
47
48
49
50 </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
51        <STRONG>new_form</STRONG>, <STRONG>free_form</STRONG> - create and destroy forms
52
53
54 </PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
55        <STRONG>#include</STRONG> <STRONG>&lt;form.h&gt;</STRONG>
56
57        <STRONG>FORM</STRONG> <STRONG>*new_form(FIELD</STRONG> <STRONG>**</STRONG><EM>fields</EM><STRONG>);</STRONG>
58        <STRONG>int</STRONG> <STRONG>free_form(FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>);</STRONG>
59
60
61 </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
62        The function <STRONG>new_form</STRONG> creates a new form connected to a specified field
63        pointer array (which must be <STRONG>NULL</STRONG>-terminated).
64
65        The function <STRONG>free_form</STRONG> disconnects <EM>form</EM> from its field array and  frees
66        the storage allocated for the form.
67
68
69 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
70        The  function  <STRONG>new_form</STRONG> returns <STRONG>NULL</STRONG> on error.  It sets <STRONG>errno</STRONG> according
71        to the function's success:
72
73        <STRONG>E_OK</STRONG> The routine succeeded.
74
75        <STRONG>E_BAD_ARGUMENT</STRONG>
76             Routine detected an incorrect or out-of-range argument.
77
78        <STRONG>E_CONNECTED</STRONG>
79             The field is already connected to a form.
80
81        <STRONG>E_SYSTEM_ERROR</STRONG>
82             System error occurred, e.g., malloc failure.
83
84        The function <STRONG>free_form</STRONG> returns one of the following:
85
86        <STRONG>E_OK</STRONG> The routine succeeded.
87
88        <STRONG>E_BAD_ARGUMENT</STRONG>
89             Routine detected an incorrect or out-of-range argument.
90
91        <STRONG>E_POSTED</STRONG>
92             The form has already been posted.
93
94
95 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
96        <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="form.3x.html">form(3x)</A></STRONG>.
97
98
99 </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
100        The  header  file  <STRONG>&lt;form.h&gt;</STRONG>  automatically  includes  the  header  file
101        <STRONG>&lt;curses.h&gt;</STRONG>.
102
103
104 </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
105        These  routines  emulate  the  System  V  forms library.  They were not
106        supported on Version 7 or BSD versions.
107
108
109 </PRE><H2><a name="h2-AUTHORS">AUTHORS</a></H2><PRE>
110        Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S.
111        Raymond.
112
113
114
115                                                                   <STRONG><A HREF="form_new.3x.html">form_new(3x)</A></STRONG>
116 </PRE>
117 <div class="nav">
118 <ul>
119 <li><a href="#h2-NAME">NAME</a></li>
120 <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
121 <li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
122 <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
123 <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
124 <li><a href="#h2-NOTES">NOTES</a></li>
125 <li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
126 <li><a href="#h2-AUTHORS">AUTHORS</a></li>
127 </ul>
128 </div>
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