form_field_validation(3ocurses)

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

Synopsis

cc [flag . . .] file -lform -locurses [library . . .]

#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:

E_OK - The function returned successfully.

E_SYSTEM_ERROR - System error.

Notices

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

References

curses(3ocurses), forms(3ocurses)

E_OK	-	The function returned successfully.
E_SYSTEM_ERROR	-	System error.