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-rw-r--r--man4/rtc.424
1 files changed, 18 insertions, 6 deletions
diff --git a/man4/rtc.4 b/man4/rtc.4
index e0e17b73..a1d627cf 100644
--- a/man4/rtc.4
+++ b/man4/rtc.4
@@ -166,7 +166,9 @@ 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(2) argument is a pointer to an
+The third
+.BR ioctl (2)
+argument is a pointer to an
.I rtc_time
structure.
Only the
@@ -182,7 +184,9 @@ 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(2) argument is a
+The third
+.BR ioctl (2)
+argument is a
.I "unsigned long\ *"
or a
.IR "unsigned long" ,
@@ -198,17 +202,23 @@ 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(2) argument is ignored.
+The third
+.BR ioctl (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(2) argument is ignored.
+The third
+.BR ioctl (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(2) argument is ignored.
+The third
+.BR ioctl (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 +237,9 @@ 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(2) argument is a
+The third
+.BR ioctl (2)
+argument is a
.I "unsigned long\ *"
or a
.IR "unsigned long" ,