January 1, 2001 FORMS 3

### NAME

field_arg, field_type, set_field_type - form library

### LIBRARY

Curses Form Library (libform, -lform)

### SYNOPSIS

```char``*` field_arg(```FIELD *field`)
```FIELDTYPE``*` field_type(```FIELD *field`)
```int` set_field_type(```FIELD *field``, FIELDTYPE *type``, ...`)

### DESCRIPTION

The field_arg(``) function returns the field type arguments that are associated with the given field. The field_type(``) function returns the field type structure associated with the given field, this type can be set by calling the set_field_type(``) function which associates the given field type with the field, the third and subsequent parameters are field dependent arguments.

### RETURN VALUES

Functions returning pointers will return ```NULL` if an error is detected. The functions that return an int will return one of the following error values:

```E_OK`
  The function was successful.

### SEE ALSO

curses(3), forms(3)

### NOTES

The header <```form.h`> automatically includes both <```curses.h`> and <```eti.h`>.