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AuListDevices(3) Library Functions Manual AuListDevices(3) Name AuListDevices - list devices Synopsis #include <audio/audiolib.h> AuDeviceAttributes *AuListDevices(server, valuemask, attributes, ndevices, status) AuServer *server; AuMask valuemask; AuDeviceAttributes *attributes; int *ndevices; /* RETURN */ AuStatus *status; /* RETURN */ Arguments server Specifies the connection to the audio server. valuemask Specifies which device attributes are defined in the attributes argument. This must be a bitwise inclusive OR of zero or more of these constants: AuCompCommonIDMask, AuCompCommonKindMask, AuCom- pCommonUseMask, AuCommonFormatMask, AuCommonNumTracksMask, AuCom- monAccessMask, AuCommonDescriptionMask, AuCompDeviceMinSampleR- ateMask, AuCompDeviceMaxSampleRateMask, AuCompDeviceLocationMask, AuCompDeviceGainMask, AuCompDeviceLineModeMask, AuCompDeviceChil- drenMask, or AuCompDeviceMasks. If valuemask is zero, the at- tributes are ignored and are not referenced. attributesSpecifies the structure from which the values (as specified by the value mask) are to be taken. ndevices Returns the number of devices in the returned list. status If non-NULL, flush the output buffer and return the status from the server. Description AuListDevices returns a list of devices whose attributes match those values in attributes specified by valuemask, or NULL, with ndevices set to 0, if there was an error. Use AuFreeDeviceList to release the memory in the list when its nolonger needed. Errors AuBadLength. See Also AuGetDeviceAttributes. audiolib - Network Audio System C Language Interface audiolib - device attributes 1.9.4 AuListDevices(3)
Name | Synopsis | Arguments | Description | Errors | See Also
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