form_field_validation(3X)
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
NOTES
The header <form.h> automatically includes the headers <eti.h> and <curses.h>.
SunOS 5.5/SPARC — Last change: 22 Jan 1993