stream_receive_ubytes
Receives an array of unsigned bytes over a client stream.
Description
This function receives an array of unsigned bytes over a client stream. It has the same semantics as the stream_receive function.
Unlike the stream_receive_ubyte_array function, this function does not require that the stream receive buffer be at least num_elements bytes in length. Hence, it allow smaller stream buffers to be used.
Prototype
t_int
stream_receive_ubytes(t_stream stream, t_ubyte * elements, t_uint num_elements);
Parameters
t_stream stream
A client stream established using stream_connect or stream_accept.
t_ubyte * elements
A pointer to a t_ubyte array in which the received data will be stored.
t_uint num_elements
The number of elements to receive, and available in the elements array.
Return value
The number of bytes received, which may be less than the requested number of bytes for non-blocking streams. If no more data is available and the connection has been closed gracefully then 0 is returned. If an error occurs then a negative error code is returned.
Error codes
This function does not return any error code.
Requirements
|
Include Files |
Libraries |
|---|---|
|
quanser_stream.h |
quanser_communications.lib;quanser_runtime.lib;quanser_common.lib |
See Also
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