xref: /illumos-gate/usr/src/man/man3xcurses/nodelay.3xcurses (revision 69a119caa6570c7077699161b7c28b6ee9f8b0f4)
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NODELAY 3XCURSES "Jun 5, 2002"
NAME
nodelay - set blocking or non-blocking read
SYNOPSIS

cc [ flag... ] file... -I /usr/xpg4/include  -L  /usr/xpg4/lib \e
 -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 Standard
MT-Level Unsafe
SEE ALSO

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