Function libzt::node::zts_get_recv_buf_size

pub unsafe extern "C" fn zts_get_recv_buf_size(fd: c_int) -> c_int

@brief Return the value of SO_RCVBUF

@param fd Socket file descriptor @return Value of SO_RCVBUF if successful, ZTS_ERR_SERVICE if the node experiences a problem, ZTS_ERR_ARG if invalid argument. Sets zts_errno