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    form_field_validation(3X) manual page Table of Contents

Name

form_field_validation, set_field_type, field_type, field_arg - forms field data type validation

Synopsis

cc [ flag ... ] file ... -lform -lcurses [ library .. ]

#include <form.h>

int set_field_type(FIELD *field, FIELDTYPE *type, ...);

FIELDTYPE *field_type(FIELD *field);

char *field_arg(FIELD *field);

MT-Level

Unsafe

Description

set_field_type() associates the specified field type with field. Certain field types take additional arguments. TYPE_ALNUM , for instance, requires one, the minimum width specification for the field. The other predefined field types are: TYPE_ALPHA , TYPE_ENUM , TYPE_INTEGER , TYPE_NUMERIC , and TYPE_REGEXP .

field_type() returns a pointer to the field type of field. NULL is returned if no field type is assigned.

field_arg() returns a pointer to the field arguments associated with the field type of field. NULL is returned if no field type is assigned.

Return Values

field_type() and field_arg() return NULL on error.

set_field_type() returns one of the following: 


E_OK    -    The function returned successfully.
E_SYSTEM_ERROR    -    System error.

See Also

curses(3X) , forms(3X)

Notes

The header <form.h> automatically includes the headers <eti.h> and <curses.h>.

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