nodelay - enable or disable block during read
#include <curses.h> int nodelay(WINDOW *win, bool bf);
The nodelay() function 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.
Upon successful completion, nodelay() returns OK. Otherwise, it returns ERR.
No errors are defined.
Input Processing , getch(), halfdelay(), <curses.h>, XBD specification, Parameters that Can be Set .