Added section numbers to xrefs to other pages

1 files changed, 10 insertions, 10 deletions

diff --git a/man4/rtc.4 b/man4/rtc.4
index fcc70e0c..e0e17b73 100644
--- a/man4/rtc.4
+++ b/man4/rtc.4
@@ -116,7 +116,7 @@ the types of interrupt that occurred,
 while the remaining 3 bytes contain the number of interrupts since the
 last
 .BR read (2).
-.SS ioctl() interface
+.SS ioctl(2) interface
 The following
 .BR ioctl (2)
 requests are defined on file descriptors connected to RTC devices:
@@ -147,14 +147,14 @@ The fields in this structure have the same meaning and ranges as for the
 structure described in
 .BR gmtime (3).
 A pointer to this structure should be passed as the third
-.BR ioctl ()
+.BR ioctl (2)
 argument.
 .TP
 .B RTC_SET_TIME
 Sets this RTC's time to the time specified by the
 .I rtc_time
 structure pointed to by the third
-.BR ioctl ()
+.BR ioctl (2)
 argument.
 To set the
 RTC's time the process must be privileged (i.e., have the
@@ -166,7 +166,7 @@ Read and set the alarm time, for RTCs that support alarms.
 The alarm interrupt must be separately enabled or disabled using the
 .BR RTC_AIE_ON ", " RTC_AIE_OFF
 requests.
-The third \fBioctl\fP() argument is a pointer to an
+The third \fBioctl\fP(2) argument is a pointer to an
 .I rtc_time
 structure.
 Only the
@@ -182,7 +182,7 @@ for RTCs that support periodic interrupts.
 The periodic interrupt must be separately enabled or disabled using the
 .BR RTC_PIE_ON ", " RTC_PIE_OFF
 requests.
-The third \fBioctl\fP() argument is a
+The third \fBioctl\fP(2) argument is a
 .I "unsigned long\ *"
 or a
 .IR "unsigned long" ,
@@ -198,17 +198,17 @@ capability) can set frequencies above the value specified in
 .TP
 .BR RTC_AIE_ON ", " RTC_AIE_OFF
 Enable or disable the alarm interrupt, for RTCs that support alarms.
-The third \fBioctl\fP() argument is ignored.
+The third \fBioctl\fP(2) argument is ignored.
 .TP
 .BR RTC_UIE_ON ", " RTC_UIE_OFF
 Enable or disable the interrupt on every clock update,
 for RTCs that support this once-per-second interrupt.
-The third \fBioctl\fP() argument is ignored.
+The third \fBioctl\fP(2) argument is ignored.
 .TP
 .BR RTC_PIE_ON ", " RTC_PIE_OFF
 Enable or disable the periodic interrupt,
 for RTCs that support these periodic interrupts.
-The third \fBioctl\fP() argument is ignored.
+The third \fBioctl\fP(2) argument is ignored.
 Only a privileged process (i.e., one having the
 .B CAP_SYS_RESOURCE
 capability) can enable the periodic interrupt if the frequency is
@@ -227,7 +227,7 @@ an RTC register for the year.
 With some RTCs,
 these operations can be used to read or to set the RTC's Epoch,
 respectively.
-The third \fBioctl\fP() argument is a
+The third \fBioctl\fP(2) argument is a
 .I "unsigned long\ *"
 or a
 .IR "unsigned long" ,
@@ -276,7 +276,7 @@ and
 .IR tm_year
 fields are also valid.
 A pointer to this structure should be passed as the third
-.BR ioctl ()
+.BR ioctl (2)
 argument.
 .SH FILES
 .IR /dev/rtc ", "