NAME

form_field_validation: set_field_type, field_type, field_arg − forms field data type validation

SYNOPSIS

#include <form.h>
int set_field_type(FIELD ∗field, FIELDTYPE ∗type, . . .);
FIELDTYPE ∗field_type(FIELD ∗field);
char ∗field_arg(FIELD ∗field);

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, 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 VALUE

field_type and field_arg return NULL on error. 

set_field_type returns one of the following:

NOTES

The header file form.h automatically includes the header files eti.h and curses.h. 

SEE ALSO

curses(3X), forms(3X)