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   set_field_userptr.3x    ( 3 )

связать данные приложения с полем формы (associate application data with a form field)

Имя (Name)

set_field_userptr, field_userptr - associate application data with a form field


Синопсис (Synopsis)

#include <form.h>

int set_field_userptr(FIELD *field, void *userptr); void *field_userptr(const FIELD *field);


Описание (Description)

Every form field has a field that can be used to hold application-specific data (that is, the form-driver code leaves it alone). These functions get and set that field.


Возвращаемое значение (Return value)

The function field_userptr returns a pointer (which may be NULL). It does not set errno.

The function set_field_userptr returns E_OK (success).


Смотри также (See also)

curses(3X), form(3X).


Примечание (Note)

The header file <form.h> automatically includes the header file <curses.h>.


Портативность (Portability)

These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions.

The user pointer is a void pointer. We chose not to leave it as a char pointer for SVr4 compatibility.