pub fn setup(c chan string, addr string, iobuf []byte) {

pub fn setup(c chan string, addr string) {

		mut buf := []byte{len: 1024}
		if nbytes := sock.read(mut buf) {
			println('irc $sock $nbytes bytes read')
			c <- string(buf)
		} else {
			println('irc err')

		mut buf := []byte{len: 128}
		mut bufidx := 0
		for {
			if nbytes := sock.read(mut buf[bufidx..]) {
				println("irc sock.read buf $bufidx .. $buf.len -> $nbytes bytes read")
				bufidx_stop := bufidx+nbytes
				if idx := idx_of(buf[bufidx..bufidx_stop]) {
					println("irc middle checking $bufidx .. $bufidx_stop => newline at $idx")
					bufidx_nl := bufidx + idx 
					bufidx_nlstop := bufidx_nl - 1
					str := string(buf[bufidx..bufidx_nlstop].clone())
					println("irc middle sending $bufidx .. $bufidx_nlstop len ($str.len)$str ")
					c <- str
					save_count := bufidx_stop - bufidx_nlstop
					println("post channel send, bufidx_stop $bufidx_stop bufidx_nlstop $bufidx_nlstop save_count $save_count")
					if save_count > 1 {
					bufidx = bufidx_nlstop
					} else {
					bufidx = 0
					}
				} else {
					println('partial: no newlines in $nbytes')
					bufidx = nbytes
				}
			} else {
				println('irc sock read err bufidx $bufidx ..')
			}

fn idx_of(bytes []byte) ?int {
  for idx, b in bytes {
    if b == 0x0a {
      return idx
    }
  }
  return none
}

	mut irc_buf := []byte{len: 1024}

	go irc.setup(irc_chan, 'irc.freenode.net:6667', irc_buf)
	mut matrix_buf := []byte{len: 1024}

	go irc.setup(irc_chan, 'irc.freenode.net:6667')
	//mut matrix_buf := []byte{len: 1024}

//	go matrix.setup(matrix_chan, 'donp.org:443', matrix_buf)

	//go matrix.setup(matrix_chan, 'donp.org:443', matrix_buf)