int nng_dialer_close(nng_dialer d);
nng_dialer_close() function closes the dialer d.
This also closes any
nng_pipe objects that have
been created by the dialer.
Once this function returns, the dialer d and any of its resources
Therefore it is an error to attempt to access d after
this function has returned.
(Attempts to do so will result in
Dialers are implicitly closed when the socket they are associated with is closed.
This function returns 0 on success, and non-zero otherwise.
Parameter d does not refer to an open dialer.