---
name: "menu_post"
section: "3"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["freebsd"]
url: "https://new.carta.tech/menu_post"
---

# menu\_post(3)

write or erase menus from associated subwindows

## NAME

**post\_menu**, **unpost\_menu** - write or erase menus from associated subwindows

## SYNOPSIS

```
#include <menu.h>
```

**int post\_menu(MENU \****menu***);** **int unpost\_menu(MENU \****menu***);**

## DESCRIPTION

**The function post\_menu displays a menu to its associated subwindow.** **To** **trigger physical display of the subwindow,** **use refresh(3X) or some equivalent** **curses routine (the implicit doupdate triggered by an curses** **input request will do).** **post\_menu resets the selection status of all items.**

**The function unpost\_menu erases menu from its associated subwindow.**

## RETURN VALUE

**These routines return one of the following:**

- **E\_OK**

  **The routine succeeded.**

- **E\_SYSTEM\_ERROR**

  **System error occurred (see [errno(3)](/errno/3.md)).**

- **E\_BAD\_ARGUMENT**

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

- **E\_POSTED**

  **The menu has already been posted.**

- **E\_BAD\_STATE**

  **Routine was called from an initialization or termination function.**

- **E\_NO\_ROOM**

  **Menu is too large for its window.** **You should consider using set\_menu\_format to solve the problem.**

- **E\_NOT\_POSTED**

  **The menu has not been posted.**

- **E\_NOT\_CONNECTED**

  **No items are connected to the menu.**

## PORTABILITY

**These routines emulate the System V menu 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),** **menu(3X)**