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form_new 3x 2024-03-16 ncurses 6.4 Library calls

form_new(3x)                     Library calls                    form_new(3x)




NAME

       new_form, free_form - create and destroy forms


SYNOPSIS

       #include <form.h>

       FORM *new_form(FIELD **fields);
       int free_form(FORM *form);


DESCRIPTION

       The function new_form creates a new form connected to a specified field
       pointer array (which must be NULL-terminated).

       The function free_form disconnects form from its field array and  frees
       the storage allocated for the form.


RETURN VALUE

       The  function  new_form returns NULL on error.  It sets errno according
       to the function's success:

       E_OK The routine succeeded.

       E_BAD_ARGUMENT
            Routine detected an incorrect or out-of-range argument.

       E_CONNECTED
            The field is already connected to a form.

       E_SYSTEM_ERROR
            System error occurred, e.g., malloc failure.

       The function free_form returns one of the following:

       E_OK The routine succeeded.

       E_BAD_ARGUMENT
            Routine detected an incorrect or out-of-range argument.

       E_POSTED
            The form has already been posted.


PORTABILITY

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


AUTHORS

       Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S.
       Raymond.


SEE ALSO

       curses(3x), form(3x)



ncurses 6.4                       2024-03-16                      form_new(3x)