form_variables - Online Linux Manual PageSection : 3X
Updated :
NAMETYPE_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;
DESCRIPTIONThese are building blocks for the form library, defining fields that can be created using the form_fieldtype(3X) functions. Each provides functions for field- and character-validation, according to the given datatype.
TYPE_ALNUMThis holds alphanumeric data.
TYPE_ALPHAThis holds alphabetic data.
TYPE_ENUMThis holds an enumerated type.
TYPE_INTEGERThis holds a decimal integer.
TYPE_IPV4This holds an IPv4 internet address, e.g., "127.0.0.1".
TYPE_NUMERICThis holds a decimal number, with optional sign and decimal point.
TYPE_REGEXPThis holds a regular expression.
PORTABILITYThe TYPE_IPV4 variable is an extension not provided by older implementations of the form library.
SEE ALSOform(3X). 0
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