code: def cfmakecbreak(mode):
      """Make termios mode cbreak."""
      # Do not map CR to NL on input.
      mode[IFLAG] &= ~(ICRNL)
  
      # Do not echo characters; disable canonical input.
      mode[LFLAG] &= ~(ECHO | ICANON)
  
      # POSIX.1-2017, 11.1.7 Non-Canonical Mode Input Processing,
      # Case B: MIN>0, TIME=0
      # A pending read shall block until MIN (here 1) bytes are received,
      # or a signal is received.
      mode[CC] = list(mode[CC])
      mode[CC][VMIN] = 1
      mode[CC][VTIME] = 0
  
imports: from termios import *
label_desc: Use image node_id 2 for calling a global function with example usage: cfmakecbreak(mode) without return types