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>comedi_get_buffer_offset</H1
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>Name</H2
>comedi_get_buffer_offset -- streaming buffer status</DIV
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>#include <comedilib.h></PRE
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><CODE
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>int comedi_get_buffer_offset</CODE
>(comedi_t * device, unsigned int subdevice);</CODE
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> Description
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>The function comedi_get_buffer_offset() is used on a subdevice
that has a Comedi command in progress. This function returns
the offset in bytes of the read pointer in the streaming buffer.
This offset is only useful for memory mapped buffers.
If there is an error, -1 is returned.</P
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