setsockopt
The setsockopt function sets a socket option.
int setsockopt(
SOCKET s,
int level,
int optname,
const char* optval,
int optlen
);
Parameters
s
[in] Descriptor identifying a socket.
level
[in] Level at which the option is defined; the supported levels include SOL_SOCKET and IPPROTO_TCP. See Windows Sockets 2 Protocol-Specific Annex for more information on protocol-specific levels.
optname
[in] Socket option for which the value is to be set.
optval
[in] Pointer to the buffer in which the value for the requested option is specified.
optlen
[in] Size of the optval buffer, in bytes.
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