CREATE FUNCTION plls_call_handler() RETURNS language_handler
 AS 'MODULE_PATHNAME' LANGUAGE C;
CREATE FUNCTION plls_inline_handler(internal) RETURNS void
 AS 'MODULE_PATHNAME' LANGUAGE C;
CREATE FUNCTION plls_call_validator(oid) RETURNS void
 AS 'MODULE_PATHNAME' LANGUAGE C;
CREATE TRUSTED LANGUAGE plls
 HANDLER plls_call_handler
 INLINE plls_inline_handler
 VALIDATOR plls_call_validator;