form_variables.3x man page

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).

Info