AuGetElementStates(3)AuGetElementStates(3)Name
AuGetElementStates - get the state of elements in a flow
Synopsis
#include <audio/audiolib.h>
AuElementState *AuGetElementStates(server, num_states,
states, status)
AuServer *server;
int *num_states; /* SEND and RETURN */
AuElementState *states;
AuStatus *status; /* RETURN */
Arguments
server Specifies the connection to the audio server.
num_states
Specifies the number of element states in states
and returns the number of element states actu
ally returned.
states Specifies the list of AuElementState structures
indicating the flow and element number of the
elements to return the state of.
status If non-NULL, flush the output buffer and return
the status from the server.
Description
AuGetElementStates returns a list of element states, or
NULL, with num_states set to 0, if there was an error.
Use AuFreeElementStates to free this list when nolonger
needed.
NOTES
Attempting to get the state of a non-component element
(AddConstant, Bundle, ExportMonitor, MultiplyConstant, and
Sum) will result in an error.
Errors
AuBadFlow, AuBadLength, AuBadAlloc, AuBadElement.
See Also
AuSetElementStates.
audiolib - Network Audio System C Language Interface
audiolib - flow elements states1.2 1
