class_docstr: This class represents a process running in a pseudoterminal.
  
  The main constructor is the :meth:`spawn` classmethod.
docstr: This sends a SIGINT to the child. It does not require
  the SIGINT to be the first character on a line. 
docstr_tok: ["This","sends","a","SIGINT","to","the","child",".","It","does","not","require","the","SIGINT","to","be","the","first","character","on","a","line","."]
code: def sendintr(self):
      """This sends a SIGINT to the child. It does not require
      the SIGINT to be the first character on a line."""
  
      return self._writeb(_INTR), _INTR
  
imports: import codecs
  import errno
  import fcntl
  import io
  import os
  import pty
  import resource
  import signal
  import struct
  import sys
  import termios
  import time
  from pty import STDIN_FILENO, CHILD
  from .util import which, PtyProcessError
label_desc: Use image node_id 20 for calling the PtyProcess obj's underlying member method code with example usage: obj.sendintr() and returns: self,  _INTR