function isBuffer(b) {
		if (global.Buffer && typeof global.Buffer.isBuffer === "function") {
			return global.Buffer.isBuffer(b);
		}

		return !!(b != null && b._isBuffer);
	}
/*!
	 * This polyfill is implemented by
	 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
	 * @license  MIT
	 */
This polyfill is implemented by
@author   Feross Aboukhadijeh 
@license  MIT
This polyfill is implemented by @author Feross Aboukhadijeh @license MIT
function isBuffer(b) {
		if (global.Buffer && typeof global.Buffer.isBuffer === "function") {
			return global.Buffer.isBuffer(b);
		}
		return !!(b != null && b._isBuffer);
	}
function isBuffer ( b ) { if ( global . Buffer && typeof global . Buffer . isBuffer === "function" ) { return global . Buffer . isBuffer ( b ) ; } return ! ! ( b != null && b . _isBuffer ) ; }
This polyfill is implemented by
 @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
 @license  MIT
This polyfill is implemented by @author Feross Aboukhadijeh <feross@feross . org > <http : // feross . org > @license MIT