AFQueryPhone(3)						      AFQueryPhone(3)



NAME
  AFQueryPhone - query state of	phone audio device

SYNTAX
  #include <AF/AFlib.h>

  void AFQueryPhone (AC	ac, int	*hs_state, int *loop_state)

ARGUMENTS

  ac	    The	audio context of a phone device.

  hs_state  The	state of the phone hookswitch is returned here.

  loop_state
	    The	state of the phone loop	is returned here.

DESCRIPTION
  The AFQueryPhone function returns the	current	hookswitch state and the loop
  current detection state in hs_state and loop_state respectively.

NOTES
  The only phone device	supported is DECaudio.

SEE ALSO
  AFCreatePhoneAC(3), AFDialPhone(3), AFHookSwitch(3), AFFlashHook(3)
  AAudioDeviceDescriptor(3)
  AF(1)

BUGS
  If you encounter a reproducible bug, please submit a problem report to
  (af-bugs@crl.dec.com).

COPYRIGHT
  Copyright 1990-1994, Digital Equipment Corporation.
  See AF(1) for	a full statement of rights and permissions.

AUTHORS
  Digital Cambridge Research Lab