int

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025                            MONGOC_SOCKET_ERRNO(3)

       This function returns the currently captured errno for a socket. This may be useful to check was the last
       errno was after another function call has been made that clears the threads errno variable.

       • sock: A mongoc_socket_t.

       0 if there is no error, otherwise a specific errno.

          int
          mongoc_socket_errno (mongoc_socket_t *sock);