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41 <H1 class="no-header">form_variables 3x</H1>
42 <PRE>
43 <STRONG><A HREF="form_variables.3x.html">form_variables(3x)</A></STRONG>                                          <STRONG><A HREF="form_variables.3x.html">form_variables(3x)</A></STRONG>
44
45
46
47
48 </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
49        <STRONG>TYPE_ALNUM</STRONG>, <STRONG>TYPE_ALPHA</STRONG>, <STRONG>TYPE_ENUM</STRONG>, <STRONG>TYPE_INTEGER</STRONG>, <STRONG>TYPE_IPV4</STRONG>,
50        <STRONG>TYPE_NUMERIC</STRONG>, <STRONG>TYPE_REGEXP</STRONG> - form system global variables
51
52
53 </PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
54        <STRONG>#include</STRONG> <STRONG>&lt;form.h&gt;</STRONG>
55
56        <STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_ALNUM;</STRONG>
57        <STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_ALPHA;</STRONG>
58        <STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_ENUM;</STRONG>
59        <STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_INTEGER;</STRONG>
60        <STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_IPV4;</STRONG>
61        <STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_NUMERIC;</STRONG>
62        <STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_REGEXP;</STRONG>
63
64
65 </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
66        These are building blocks for the form library,  defining  fields  that
67        can  be  created  using <STRONG><A HREF="form_fieldtype.3x.html">set_fieldtype(3x)</A></STRONG>.  Each provides functions for
68        field- and character-validation, according to the given datatype.
69
70
71 </PRE><H3><a name="h3-TYPE_ALNUM">TYPE_ALNUM</a></H3><PRE>
72        This holds alphanumeric data.
73
74
75 </PRE><H3><a name="h3-TYPE_ALPHA">TYPE_ALPHA</a></H3><PRE>
76        This holds alphabetic data.
77
78
79 </PRE><H3><a name="h3-TYPE_ENUM">TYPE_ENUM</a></H3><PRE>
80        This holds an enumerated type.
81
82
83 </PRE><H3><a name="h3-TYPE_INTEGER">TYPE_INTEGER</a></H3><PRE>
84        This holds a decimal integer.
85
86
87 </PRE><H3><a name="h3-TYPE_IPV4">TYPE_IPV4</a></H3><PRE>
88        This holds an IPv4 internet address, e.g., "127.0.0.1".
89
90
91 </PRE><H3><a name="h3-TYPE_NUMERIC">TYPE_NUMERIC</a></H3><PRE>
92        This holds a decimal number, with optional sign and decimal point.
93
94
95 </PRE><H3><a name="h3-TYPE_REGEXP">TYPE_REGEXP</a></H3><PRE>
96        This holds a regular expression.
97
98
99 </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
100        The <STRONG>TYPE_IPV4</STRONG> variable is an extension not provided by older  implemen-
101        tations of the form library.
102
103
104 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
105        <STRONG><A HREF="form.3x.html">form(3x)</A></STRONG>.
106
107
108
109                                                             <STRONG><A HREF="form_variables.3x.html">form_variables(3x)</A></STRONG>
110 </PRE>
111 <div class="nav">
112 <ul>
113 <li><a href="#h2-NAME">NAME</a></li>
114 <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
115 <li><a href="#h2-DESCRIPTION">DESCRIPTION</a>
116 <ul>
117 <li><a href="#h3-TYPE_ALNUM">TYPE_ALNUM</a></li>
118 <li><a href="#h3-TYPE_ALPHA">TYPE_ALPHA</a></li>
119 <li><a href="#h3-TYPE_ENUM">TYPE_ENUM</a></li>
120 <li><a href="#h3-TYPE_INTEGER">TYPE_INTEGER</a></li>
121 <li><a href="#h3-TYPE_IPV4">TYPE_IPV4</a></li>
122 <li><a href="#h3-TYPE_NUMERIC">TYPE_NUMERIC</a></li>
123 <li><a href="#h3-TYPE_REGEXP">TYPE_REGEXP</a></li>
124 </ul>
125 </li>
126 <li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
127 <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
128 </ul>
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