ncurses don't wait for input
#include <stdio.h>
#include <stdlib.h>
#include <curses.h>
int main(void)
{
initscr();
noecho();
cbreak(); // don't interrupt for user input
timeout(500); // wait 500ms for key press
int c = 0; // command: [c|q|s]
int s = 1; // state: 1= print, 0= don't print ;-)
int i = 0, j = 0;
while (c != 'q')
{
int c = getch();
switch (c)
{
case 'q':
endwin();
return 0;
case 'c':
s = 1;
break;
case 's':
s = 0;
break;
default:
break;
}
if (s)
{
move(i, j);
printw("a");
i++;
j++;
}
}
endwin();
nocbreak();
return 0;
}