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30 * $Id: demo_keyok.c,v 1.7 2020/02/02 23:34:34 tom Exp $
32 * Demonstrate the keyok() function.
33 * Thomas Dickey - 2002/11/23
36 #include <test.priv.h>
38 #if defined(NCURSES_VERSION) && NCURSES_EXT_FUNCS
40 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
48 (void) cbreak(); /* take input chars one at a time, no wait for \n */
49 (void) noecho(); /* don't echo input */
51 printw("Typing any function key will disable it, but typing it twice in\n");
52 printw("a row will turn it back on (just for a demo).");
55 win = newwin(LINES - 2, COLS, 2, 0);
60 while ((ch = wgetch(win)) != ERR) {
61 const char *name = keyname(ch);
62 if (ch == ESCAPE && prior == ch)
65 wprintw(win, "Keycode %d, name %s\n",
67 name != 0 ? name : "<null>");
73 } else if (lastch >= KEY_MIN) {
78 ExitProgram(EXIT_SUCCESS);
84 printf("This program requires the ncurses library\n");
85 ExitProgram(EXIT_FAILURE);