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- bookworm 6.4-4
- testing 6.4+20240414-1
- unstable 6.5-2
- experimental 6.5-1
new(3FORM) | new(3FORM) |
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.
SEE ALSO¶
ncurses(3NCURSES), form(3FORM).
NOTES¶
The header file <form.h> automatically includes the header file <curses.h>.
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.