Manual Pages  — form_variables

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

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

#include <form.h>

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

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.

This holds alphanumeric data.

This holds alphabetic data.

This holds an enumerated type.

This holds a decimal integer.

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

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

This holds a regular expression.

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