nodelay(3XCURSES)

Name

nodelay - set blocking or non-blocking read

Synopsis

cc [ flag... ] file... –I /usr/xpg4/include –L /usr/xpg4/lib \
–R /usr/xpg4/lib –lcurses [ library... ]

c89 [ flag... ] file... –lcurses [ library... ]

#include <curses.h>

int nodelay(WINDOW *win, bool bf);

Parameters

win

Is a pointer to the window in which to enable non-blocking.

bf

Is a Boolean expression.

Description

If enabled, (bf is TRUE), the nodelay() function causes getch(3XCURSES) to return ERR if no input is ready. When disabled, getch() blocks until a key is pressed.

Return Values

On success, the nodelay() function returns OK. Otherwise, it returns ERR.

Errors

None.

Attributes

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE Interface Stability Committed MT-Level Unsafe Standard See standards(5).

See also

getch(3XCURSES), halfdelay(3XCURSES), libcurses(3XCURSES), notimeout(3XCURSES), attributes(5), standards(5)