Socket_Getsockopt - getsockopt()
In: R0 = Socket descriptor
R1 = Option level
R2 = Option
R3 = Pointer to buffer for option value
R4 = Size of option value buffer
Out: R0 corrupted
This call can be used to read the current value of any of the options set using Socket_Setsockopt. In addition, there are two more socket level options that can be read but not written:
SO_ERROR - Return the Unix error code for any error which has occurred on the socket, and clear the sockets error flag.
SO_TYPE - Return the socket type set when the socket was created.
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