man3/AFQueryPhone.3

#

    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