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form_variables

Section: Miscellaneous Library Functions (3X)
Updated:
Index Return to Main Contents
 

NAME

TYPE_ALNUM, TYPE_ALPHA, TYPE_ENUM, TYPE_INTEGER, TYPE_IPV4, TYPE_NUMERIC, TYPE_REGEXP - form system global variables  

SYNOPSIS

#include <form.h>

FIELDTYPE * TYPE_ALNUM; FIELDTYPE * TYPE_ALPHA; FIELDTYPE * TYPE_ENUM; FIELDTYPE * TYPE_INTEGER; FIELDTYPE * TYPE_IPV4; FIELDTYPE * TYPE_NUMERIC; FIELDTYPE * TYPE_REGEXP;
 

DESCRIPTION

These are building blocks for the form library, defining fields that can be created using set_fieldtype(3X). Each provides functions for field- and character-validation, according to the given datatype.  

TYPE_ALNUM

This holds alphanumeric data.  

TYPE_ALPHA

This holds alphabetic data.  

TYPE_ENUM

This holds an enumerated type.  

TYPE_INTEGER

This holds a decimal integer.  

TYPE_IPV4

This holds an IPv4 internet address, e.g., "127.0.0.1".  

TYPE_NUMERIC

This holds a decimal number, with optional sign and decimal point.  

TYPE_REGEXP

This holds a regular expression.  

PORTABILITY

The TYPE_IPV4 variable is an extension not provided by older implementations of the form library.  

SEE ALSO

form(3X).


 

Index

NAME
SYNOPSIS
DESCRIPTION
TYPE_ALNUM
TYPE_ALPHA
TYPE_ENUM
TYPE_INTEGER
TYPE_IPV4
TYPE_NUMERIC
TYPE_REGEXP
PORTABILITY
SEE ALSO


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