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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);
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.
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 attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
MT-Level | Unsafe |
curses(3CURSES), forms(3CURSES), attributes(5)
The header <form.h> automatically includes the headers <eti.h> and <curses.h>.