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:man_page: mongoc_socket_send
mongoc_socket_send()
====================
Synopsis
--------
.. code-block:: c
ssize_t
mongoc_socket_send (mongoc_socket_t *sock,
const void *buf,
size_t buflen,
int64_t expire_at);
Parameters
----------
* ``sock``: A :symbol:`mongoc_socket_t`.
* ``buf``: A buffer to send.
* ``buflen``: A size_t with the number of bytes in buf.
* ``expire_at``: A int64_t with an absolute timeout for the operation or 0. The timeout is in monotonic time using microseconds. You can retrieve the current monotonic time with :symbol:`bson:bson_get_monotonic_time()`.
Description
-----------
Sends buflen bytes in buf to the destination. If a timeout expired, the number of bytes sent will be returned or -1 if no bytes were sent.
Returns
-------
-1 on failure and errno is set, or the number of bytes sent.
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