Make sure that labeling is used consistently in all function headers.

sched/clock/clock_abstime2ticks.c

@@ -89,7 +89,7 @@ static long compare_timespec(FAR const struct timespec *a,
  *   reltime - Convert this absolue time to system clock ticks.
  *   ticks - Return the converted number of ticks here.
  *
- * Return Value:
+ * Returned Value:
  *   OK on success; A non-zero error number on failure;
  *
  * Assumptions:

sched/clock/clock_dow.c

@@ -70,7 +70,7 @@ static const uint8_t g_lookup[12] = {2, 5, 7, 10, 12, 15, 17, 20, 23, 25, 28, 30
  *   month - 0 through 11
  *   day   - 1 through 31
  *
- * Return Value:
+ * Returned Value:
  *   The day of the week as days since Sunday: 0 = Sunday, 1 = Monday, etc.
  *
  * Assumptions:

sched/clock/clock_initialize.c

@@ -275,7 +275,7 @@ void clock_initialize(void)
  * Parameters:
  *   None
  *
- * Return Value:
+ * Returned Value:
  *   None
  *
  * Assumptions:
@@ -314,7 +314,7 @@ void clock_synchronize(void)
  * Parameters:
  *   rtc_diff:  amount of time system-time is adjusted forward with RTC
  *
- * Return Value:
+ * Returned Value:
  *   None
  *
  * Assumptions:

sched/clock/clock_systimer.c

@@ -72,7 +72,7 @@
  * Parameters:
  *   None
  *
- * Return Value:
+ * Returned Value:
  *   The current value of the system timer counter
  *
  * Assumptions:

sched/clock/clock_systimespec.c

@@ -62,7 +62,7 @@
  * Parameters:
  *   ts - Location to return the time
  *
- * Return Value:
+ * Returned Value:
  *   Current version always returns OK
  *
  * Assumptions:

sched/clock/clock_ticks2time.c

@@ -56,7 +56,7 @@
  *   ticks - The number of system time ticks to convert.
  *   reltime - Return the converted system time here.
  *
- * Return Value:
+ * Returned Value:
  *   Always returns OK
  *
  * Assumptions:

sched/clock/clock_time2ticks.c

@@ -60,7 +60,7 @@
  *   reltime - Convert this relative time to system clock ticks.
  *   ticks - Return the converted number of ticks here.
  *
- * Return Value:
+ * Returned Value:
  *   Always returns OK
  *
  * Assumptions:

sched/clock/clock_timespec_add.c

@@ -54,11 +54,11 @@
  * Description:
  *   Add timespec ts1 to to2 and return the result in ts3
  *
- * Inputs:
+ * Input Parameters:
  *   ts1 and ts2: The two timespecs to be added
  *   t23: The location to return the result (may be ts1 or ts2)
  *
- * Return Value:
+ * Returned Value:
  *   None
  *
  ****************************************************************************/

sched/clock/clock_timespec_subtract.c

@@ -55,11 +55,11 @@
  *   Subtract timespec ts2 from to1 and return the result in ts3.
  *   Zero is returned if the time difference is negative.
  *
- * Inputs:
+ * Input Parameters:
  *   ts1 and ts2: The two timespecs to be subtracted (ts1 - ts2)
  *   t23: The location to return the result (may be ts1 or ts2)
  *
- * Return Value:
+ * Returned Value:
  *   None
  *
  ****************************************************************************/