shutdown - shut down part of a full-duplex connection
int shutdown (int s, int how);
The shutdown call causes all or part of a full-duplex connection on the
socket associated with s to be shut down. If how is 0, then further
receives will be disallowed. If how is 1, then further sends will be
disallowed. If how is 2, then further sends and receives will be
A 0 is returned if the call succeeds, -1 if it fails.
The call succeeds unless:
[EBADF] S is not a valid descriptor.
[ENOTSOCK] S is a file, not a socket.
[ENOTCONN] The specified socket is not connected.
ABI-compliant versions of the above call can be obtained from
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