mongoc_server_description_t *

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025                    MONGOC_CLIENT_SELECT_SERVER(3)

       • client: A mongoc_client_t.

       • for_writes: Whether to choose a server suitable for writes or reads.

       • prefs: An optional mongoc_read_prefs_t. If for_writes is true, prefs must be NULL. Otherwise, use prefs
         to customize server selection, or pass NULL to use read preference PRIMARY.

       • error: An optional location for a bson_error_t or NULL.

       A mongoc_server_description_t that must be freed with mongoc_server_description_destroy(). If no suitable
       server is found, returns NULL and error is filled out.

          mongoc_server_description_t *
          mongoc_client_select_server (mongoc_client_t *client,
                                       bool for_writes,
                                       const mongoc_read_prefs_t *prefs,
                                       bson_error_t *error);

       Choose a server for an operation, according to the logic described in the Server Selection Spec.

       Use  this function only for building a language driver that wraps the C Driver. When writing applications
       in C, higher-level functions automatically select a suitable server.