code: def setcbreak(fd, when=TCSAFLUSH):
      """Put terminal into a cbreak mode."""
      mode = tcgetattr(fd)
      mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON)
      mode[CC][VMIN] = 1
      mode[CC][VTIME] = 0
      tcsetattr(fd, when, mode)
  
label_desc: Use image node_id 2 for calling a global function with example usage: setcbreak(fd, when) without return types