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form_field_validation(3CURSCurses Library Functiform_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.  Cer‐
       tain  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)

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