io_buffer
static struct io_buffer cur_comm, cur_resp;
io_buffer_reset(struct io_buffer *io)
io_buffer_avail(struct io_buffer *io)
io_buffer_head(struct io_buffer *io)
io_buffer_tail(struct io_buffer *io)
io_buffer_advance(struct io_buffer *io, size_t amount)
io_buffer_consume(struct io_buffer *io, size_t amount)
io_buffer_grow(struct io_buffer *io, size_t newsize)