func (b *bufioW) Buffered() int {
	b.mu.Lock()
	n := len(b.buf)
	b.mu.Unlock()
	return n
}
// Buffered returns the number of buffered bytes
Buffered returns the number of buffered bytes
// Buffered returns the number of buffered bytes
func (b *bufioW) Buffered() int {
	b.mu.Lock()
	n := len(b.buf)
	b.mu.Unlock()
	return n
}
func ( b * bufioW ) Buffered ( ) int { b . mu . Lock ( ) n := len ( b . buf ) b . mu . Unlock ( ) return n }
Buffered returns the number of buffered bytes
Buffered returns the number of buffered bytes