import io

		mut buf := []byte{len: 128}
		mut bufidx := 0

		mut reader := io.new_buffered_reader(reader: io.make_reader(sock))

			if nbytes := sock.read(mut buf[bufidx..]) {
				// println('irc sock.read buf $bufidx .. $buf.len -> $nbytes bytes read')
				buflen_stop := bufidx + nbytes
				for {
					if idx := idx_of(buf[bufidx..buflen_stop]) {
						//					println('irc middle checking $bufidx .. $buflen_stop => newline at $idx')
						bufidx_nl := bufidx + idx
						str := string(buf[bufidx..bufidx_nl].clone())
						// println('irc middle sending $bufidx .. $bufidx_nl len ($str.len)$str ')
						c <- str
						bufidx_nlpost := bufidx_nl + idx_of_not_newline(buf[bufidx_nl..])
						//					println('post channel send, buflen_stop $buflen_stop bufidx_nlpost $bufidx_nlpost')
						if buflen_stop == bufidx_nlpost {
							// println('bufidx = 0.  peeled $buflen_stop bytes')
							break // read more
						} else {
							// println('bufidx moved to bufidx_nlpost $bufidx_nlpost buflen_stop $buflen_stop save (${buflen_stop -
							//	bufidx_nlpost})')
						}
						bufidx = bufidx_nlpost
					} else {
						println('partial: no newlines in $nbytes')
						break // read more
					}
				}

			if line := reader.read_line() {
				c <- line

				println('irc sock read err ')

	}
}
const (
	newlines = [`\n`, `\r`]
)
fn idx_of(bytes []byte) ?int {
	for idx, b in bytes {
		if b in newlines {
			return idx
		}

	return none

fn idx_of_not_newline(bytes []byte) int {
	for idx, b in bytes {
		if !(b in newlines) {
			return idx
		}
	}
	return bytes.len
}