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-rw-r--r--system/doc/tutorial/port_driver.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/system/doc/tutorial/port_driver.c b/system/doc/tutorial/port_driver.c
index 37de67310f..8b441733ed 100644
--- a/system/doc/tutorial/port_driver.c
+++ b/system/doc/tutorial/port_driver.c
@@ -51,8 +51,7 @@ ErlDrvEntry example_driver_entry = {
queue */
NULL, /* F_PTR call, much like control, sync call
to driver */
- NULL, /* F_PTR event, called when an event selected
- by driver_event() occurs. */
+ NULL, /* unused */
ERL_DRV_EXTENDED_MARKER, /* int extended marker, Should always be
set to indicate driver versioning */
ERL_DRV_EXTENDED_MAJOR_VERSION, /* int major_version, should always be