-PHP_HTTP_API void php_http_message_body_to_string(php_http_message_body_t *body, char **buf, size_t *len, off_t offset, size_t forlen);
-PHP_HTTP_API STATUS php_http_message_body_to_stream(php_http_message_body_t *body, php_stream *s, off_t offset, size_t forlen);
-PHP_HTTP_API STATUS php_http_message_body_to_callback(php_http_message_body_t *body, php_http_pass_callback_t cb, void *cb_arg, off_t offset, size_t forlen);
+PHP_HTTP_API zend_string *php_http_message_body_to_string(php_http_message_body_t *body, off_t offset, size_t forlen);
+PHP_HTTP_API ZEND_RESULT_CODE php_http_message_body_to_stream(php_http_message_body_t *body, php_stream *s, off_t offset, size_t forlen);
+PHP_HTTP_API ZEND_RESULT_CODE php_http_message_body_to_callback(php_http_message_body_t *body, php_http_pass_callback_t cb, void *cb_arg, off_t offset, size_t forlen);