form_field_validation(3CURSCurses Library Functiform_field_validation(3CURSES)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);
DESCRIPTIONset_field_type() associates the specified field type with field. Cer‐
tain 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 VALUESfield_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.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │Unsafe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOcurses(3CURSES), forms(3CURSES), attributes(5)NOTES
The header <form.h> automatically includes the headers <eti.h> and
<curses.h>.
SunOS 5.10 31 Dec 1996 form_field_validation(3CURSES)