bool mongoc_collection_remove (mongoc_collection_t *collection, mongoc_remove_flags_t flags, const bson_t *selector, const mongoc_write_concern_t *write_concern, bson_error_t *error);
This function shall remove documents in the given collection that match selector. The bson selector is not validated, simply passed along as appropriate to the server. As such, compatibility and errors should be validated in the appropriate server documentation.
If you want to limit deletes to a single document, provide MONGOC_REMOVE_SINGLE_REMOVE in flags.
Errors are propagated via the error parameter.
true if successful, otherwise false and error is set.