os.sync() Force write of everything to disk. Availability: Unix.

curses.resetty() Restore the state of the terminal modes to what it was at the last call to savetty().

write(b) Write the given bytes-like object, b, and return the number of bytes

tell() Return the current stream position.

os.set_blocking(fd, blocking) Set the blocking mode of the specified file descriptor. Set the O_NONBLOCK flag if

ctypes.util.find_msvcrt() Windows only: return the filename of the VC runtime library used by Python, and by the extension modules

class io.BufferedReader(raw, buffer_size=DEFAULT_BUFFER_SIZE) A buffer providing higher-level access to a readable, sequential

os.getpgrp() Return the id of the current process group. Availability: Unix.

class ctypes.WinDLL(name, mode=DEFAULT_MODE, handle=None, use_errno=False, use_last_error=False) Windows only: Instances of

read([size]) Read and return size bytes, or if size is not given or negative, until EOF or if the read call