X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fio%2F_info;h=6e95e4ab9e18b7b494b4624ea53f64dd0bd95c15;hb=696c9b68f6334835f13037a83dd5a11c1c8129c7;hp=42b71d9e6e9f18a48b278ddb5beed8a7ec8c4396;hpb=318f717e34e4735e5397bee24dbbee69205be82b;p=ccan

diff --git a/ccan/io/_info b/ccan/io/_info
index 42b71d9e..6e95e4ab 100644
--- a/ccan/io/_info
+++ b/ccan/io/_info
@@ -11,7 +11,7 @@
  * plans.
  *
  * Example:
- * // Given tr A-Z a-z outputs tr a-z a-z
+ * // Given "tr A-Z a-z" outputs tr a-z a-z
  * #include <ccan/io/io.h>
  * #include <ccan/err/err.h>
  * #include <assert.h>
@@ -61,9 +61,10 @@
  * {
  * 	// Remove what we just wrote.
  * 	b->start += b->wlen;
+ *	b->wlen = 0;
  * 	assert(b->start <= sizeof(b->buf));
  *
- * 	// If we wrote something, wake writer.
+ * 	// If we wrote something, wake reader.
  * 	if (b->wlen != 0)
  * 		io_wake(b);
  *
@@ -114,6 +115,7 @@
  * 	io_new_conn(NULL, tochild[1], write_out, &to);
  *
  * 	// Read from child, write to stdout.
+ * 	memset(&from, 0, sizeof(from));
  * 	reader = io_new_conn(NULL, fromchild[0], read_in, &from);
  * 	io_set_finish(reader, finish, &from);
  * 	io_new_conn(NULL, STDOUT_FILENO, write_out, &from);