const mongoc_read_prefs_t * mongoc_uri_get_read_prefs_t (const mongoc_uri_t *uri);
- uri: A mongoc_uri_t.
Fetches a read preference that is owned by the URI instance. This read preference concern is configured based on URI parameters.
Returns a mongoc_read_prefs_t that should not be modified or freed if uri has read preferences, otherwise NULL.
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