Technical Reference: Base Operating System and Extensions , Volume 2

nodelay Subroutine

Syntax

#include <curses.h>
 
int nodelay(WINDOW *win,
bool bf);

The nodelay subroutine specifies whether Delay Mode or No Delay Mode is in effect for the screen associated with the specified window. If bf is TRUE, this screen is set to No Delay Mode. If bf is FALSE, this screen is set to Delay Mode. The initial state is FALSE.

Parameters

bf
*win

Return Values

Upon successful completion, the nodelay subroutine returns OK. Otherwise, it returns ERR.

Examples

To cause the wgetch subroutine to return an error message, if no input is ready in the user-defined window my_window, use:
```
nodelay(my_window, TRUE);
```
To allow for a delay when retrieving a character in the user-defined window my_window, use:
```
WINDOW *my_window;
nodelay(my_window, FALSE);
```

Implementation Specifics

This subroutine is part of Base Operating System (BOS) Runtime.

Related Information

The halfdelay (halfdelay Subroutine) subroutine, wgetch (getch, mvgetch, mvwgetch, or wgetch Subroutine) subroutine.

Curses Overview for Programming, List of Curses Subroutines, Manipulating Characters with Curses in AIX 5L Version 5.1 General Programming Concepts: Writing and Debugging Programs