[PATCH] man: fix io_cancel() signature

Fix the man page signature of io_cancel() to match its actual signature
in libaio.h. Add the missing struct io_event * argument.

Italize "result" in the description to clarify it refers to the function
argument.

Signed-off-by: Caleb Sander Mateos <[email protected]>
---
 man/io_cancel.3 | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/man/io_cancel.3 b/man/io_cancel.3
index 8c6910e..2d08086 100644
--- a/man/io_cancel.3
+++ b/man/io_cancel.3
@@ -7,11 +7,11 @@ io_cancel \- Cancel io requests
 .sp
 .br
 .B #include <libaio.h>
 .sp
 .br
-.BI "int io_cancel(io_context_t " ctx ", struct iocb *" iocb ");"
+.BI "int io_cancel(io_context_t " ctx ", struct iocb *" iocb ", struct io_event *" result ");"
 .br
 .sp
 struct iocb {
 	void		*data; /* Return in the io completion event */
 	unsigned	key;	/* For use in identifying io requests */
@@ -24,12 +24,13 @@ struct iocb {
 Attempts to cancel an
 .I iocb
 previously passed to
 .BR io_submit (3).
 If the operation is successfully cancelled, the resulting event is
-copied into the memory pointed to by result without being placed
-into the completion queue.
+copied into the memory pointed to by
+.I result
+without being placed into the completion queue.
 .PP
 When one or more requests are asynchronously processed, it might be
 useful in some situations to cancel a selected operation, e.g., if it
 becomes obvious that the written data is no longer accurate and would
 have to be overwritten soon.  As an example, assume an application, which
-- 
2.45.2


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