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  37 <TITLE>form_opts 3x 2024-03-16 ncurses 6.4 Library calls</TITLE>
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  42 <H1 class="no-header">form_opts 3x 2024-03-16 ncurses 6.4 Library calls</H1>
  43 <PRE>
  44 <STRONG><A HREF="form_opts.3x.html">form_opts(3x)</A></STRONG>                    Library calls                   <STRONG><A HREF="form_opts.3x.html">form_opts(3x)</A></STRONG>
  45
  46
  47
  48
  49 </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
  50        <STRONG>set_form_opts</STRONG>,  <STRONG>form_opts_on</STRONG>,  <STRONG>form_opts_off</STRONG>,  <STRONG>form_opts</STRONG>  - set and get
  51        form options
  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>int</STRONG> <STRONG>set_form_opts(FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>,</STRONG> <STRONG>Field_Options</STRONG> <EM>opts</EM><STRONG>);</STRONG>
  58        <STRONG>Field_Options</STRONG> <STRONG>form_opts(const</STRONG> <STRONG>FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>);</STRONG>
  59
  60        <STRONG>int</STRONG> <STRONG>form_opts_on(FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>,</STRONG> <STRONG>Field_Options</STRONG> <EM>opts</EM><STRONG>);</STRONG>
  61        <STRONG>int</STRONG> <STRONG>form_opts_off(FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>,</STRONG> <STRONG>Field_Options</STRONG> <EM>opts</EM><STRONG>);</STRONG>
  62
  63
  64 </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
  65        The function <STRONG>set_form_opts</STRONG> sets all the given form's option bits  (form
  66        option bits may be logically-OR'ed together).
  67
  68        The  function  <STRONG>form_opts_on</STRONG>  turns on the given option bits, and leaves
  69        others alone.
  70
  71        The function <STRONG>form_opts_off</STRONG> turns off the given option bits, and  leaves
  72        others alone.
  73
  74        The function <STRONG>form_opts</STRONG> returns the form's current option bits.
  75
  76        The following options are defined (all are on by default):
  77
  78        O_NL_OVERLOAD
  79             Overload  the <STRONG>REQ_NEW_LINE</STRONG> forms driver request so that calling it
  80             at the end of a field goes to the next field.
  81
  82        O_BS_OVERLOAD
  83             Overload the <STRONG>REQ_DEL_PREV</STRONG> forms driver request so that calling  it
  84             at the beginning of a field goes to the previous field.
  85
  86
  87 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
  88        Except for <STRONG>form_opts</STRONG>, each routine returns one of the following:
  89
  90        <STRONG>E_OK</STRONG> The routine succeeded.
  91
  92        <STRONG>E_SYSTEM_ERROR</STRONG>
  93             System error occurred (see <STRONG>errno(3)</STRONG>).
  94
  95
  96 </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
  97        These  routines  emulate  the  System  V  forms library.  They were not
  98        supported on Version 7 or BSD versions.
  99
 100
 101 </PRE><H2><a name="h2-AUTHORS">AUTHORS</a></H2><PRE>
 102        Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S.
 103        Raymond.
 104
 105
 106 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
 107        <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="form.3x.html">form(3x)</A></STRONG>
 108
 109
 110
 111 ncurses 6.4                       2024-03-16                     <STRONG><A HREF="form_opts.3x.html">form_opts(3x)</A></STRONG>
 112 </PRE>
 113 <div class="nav">
 114 <ul>
 115 <li><a href="#h2-NAME">NAME</a></li>
 116 <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
 117 <li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
 118 <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
 119 <li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
 120 <li><a href="#h2-AUTHORS">AUTHORS</a></li>
 121 <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
 122 </ul>
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