#include <ncurses.h>
#include <unistd.h>

int main() {
  int ch;
  int keys[16];
  int *key;
  unsigned long long i = 0;
  char chrs[] = "|/-\\";

  initscr();
  keypad( stdscr, TRUE );
  noecho();

  nodelay( stdscr,TRUE );
  halfdelay( 1 );
  notimeout( stdscr,TRUE );
  wtimeout( stdscr,0 );

  while( (ch=wgetch( stdscr )) != 27 ) {
    while( (ch=wgetch( stdscr )) == ERR ) {
      mvwaddch( stdscr,1,1,chrs[i++%4] );
      usleep( 100000 );
    }
    if( ch == 27 ) {
      endwin();
      return 1;
    }
  }

  endwin();
  return 0;
}