form_field_validation(3CURSES)				     Curses Library Functions				    form_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);

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, 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 VALUES

       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.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       curses(3CURSES), forms(3CURSES), attributes(5)

NOTES

       The header <form.h> automatically includes the headers  <eti.h> and <curses.h>.

SunOS 5.11							    31 Dec 1996 				    form_field_validation(3CURSES)