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* @Id: form_variables.3x,v 1.4 2013/06/22 17:58:32 tom Exp @
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<H1>form_variables 3x</H1>
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<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
<STRONG><A HREF="form_variables.3x.html">form_variables(3x)</A></STRONG> <STRONG><A HREF="form_variables.3x.html">form_variables(3x)</A></STRONG>
</PRE>
<H2>NAME</H2><PRE>
<STRONG>TYPE_ALNUM</STRONG>, <STRONG>TYPE_ALPHA</STRONG>, <STRONG>TYPE_ENUM</STRONG>, <STRONG>TYPE_INTEGER</STRONG>,
<STRONG>TYPE_IPV4</STRONG>, <STRONG>TYPE_NUMERIC</STRONG>, <STRONG>TYPE_REGEXP</STRONG> - form system global
variables
</PRE>
<H2>SYNOPSIS</H2><PRE>
<STRONG>#include</STRONG> <STRONG><form.h></STRONG>
<STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_ALNUM;</STRONG>
<STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_ALPHA;</STRONG>
<STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_ENUM;</STRONG>
<STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_INTEGER;</STRONG>
<STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_IPV4;</STRONG>
<STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_NUMERIC;</STRONG>
<STRONG>FIELDTYPE</STRONG> <STRONG>*</STRONG> <STRONG>TYPE_REGEXP;</STRONG>
</PRE>
<H2>DESCRIPTION</H2><PRE>
These are building blocks for the form library, defining
fields that can be created using <STRONG><A HREF="form_fieldtype.3x.html">form_fieldtype(3x)</A></STRONG>. Each
provides functions for field- and character-validation,
according to the given datatype.
<STRONG>TYPE_ALNUM</STRONG>
This holds alphanumeric data.
<STRONG>TYPE_ALPHA</STRONG>
This holds alphabetic data.
<STRONG>TYPE_ENUM</STRONG>
This holds an enumerated type.
<STRONG>TYPE_INTEGER</STRONG>
This holds a decimal integer.
<STRONG>TYPE_IPV4</STRONG>
This holds an IPv4 internet address, e.g., "127.0.0.1".
<STRONG>TYPE_NUMERIC</STRONG>
This holds a decimal number, with optional sign and deci-
mal point.
<STRONG>TYPE_REGEXP</STRONG>
This holds a regular expression.
</PRE>
<H2>PORTABILITY</H2><PRE>
The <STRONG>TYPE_IPV4</STRONG> variable is an extension not provided by
older implementations of the form library.
</PRE>
<H2>SEE ALSO</H2><PRE>
<STRONG><A HREF="form.3x.html">form(3x)</A></STRONG>.
<STRONG><A HREF="form_variables.3x.html">form_variables(3x)</A></STRONG>
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