1AuGetElementStates(3)      Library Functions Manual      AuGetElementStates(3)
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Name

6       AuGetElementStates - get the state of elements in a flow
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Synopsis

9       #include <audio/audiolib.h>
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11       AuElementState *AuGetElementStates(server, num_states, states, status)
12           AuServer *server;
13           int *num_states; /* SEND and RETURN */
14           AuElementState *states;
15           AuStatus *status; /* RETURN */
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Arguments

18       server    Specifies the connection to the audio server.
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20       num_states
21                 Specifies  the number of element states in states and returns
22                 the number of element states actually returned.
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24       states    Specifies the list  of AuElementState  structures  indicating
25                 the  flow  and  element  number of the elements to return the
26                 state of.
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28       status    If non-NULL, flush the output buffer and  return  the  status
29                 from the server.
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Description

32       AuGetElementStates  returns  a  list  of  element states, or NULL, with
33       num_states set to 0, if there was an error.  Use AuFreeElementStates to
34       free this list when nolonger needed.
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NOTES

37       Attempting  to  get  the state of a non-component element (AddConstant,
38       Bundle, ExportMonitor, MultiplyConstant, and Sum)  will  result  in  an
39       error.
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Errors

42       AuBadFlow, AuBadLength, AuBadAlloc, AuBadElement.
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See Also

45       AuSetElementStates.
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47       audiolib - Network Audio System C Language Interface
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51audiolib - flow elements states      1.9.1               AuGetElementStates(3)