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CentOS 7.0 - man page for type_enum (centos section 3x)

form_variables(3X)										   form_variables(3X)

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). form_variables(3X)


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