Standardization of some function headers.

net/utils/utils.h

@@ -93,7 +93,7 @@ void net_lockinitialize(void);
  *   Convert a decisecond value to a struct timeval.  Needed by getsockopt()
  *   to report timeout values.
  *
- * Parameters:
+ * Input Parameters:
  *   dsec The decisecond value to convert
  *   tv   The struct timeval to receive the converted value
  *
@@ -112,7 +112,7 @@ void net_dsec2timeval(uint16_t dsec, FAR struct timeval *tv);
  * Description:
  *   Convert a decisecond value to a system clock ticks.  Used by IGMP logic.
  *
- * Parameters:
+ * Input Parameters:
  *   dsec The decisecond value to convert
  *
  * Returned Value:
@@ -129,7 +129,7 @@ unsigned int net_dsec2tick(int dsec);
  *   Convert a struct timeval to deciseconds.  Needed by setsockopt() to
  *   save new timeout values.
  *
- * Parameters:
+ * Input Parameters:
  *   tv        - The struct timeval to convert
  *   remainder - Determines how to handler the microsecond remainder
  *
@@ -158,7 +158,7 @@ unsigned int net_timeval2dsec(FAR struct timeval *tv,
  *   there might not be additional '1' bits following the firs '0', but that
  *   will be a malformed netmask.
  *
- * Parameters:
+ * Input Parameters:
  *   mask   Points to an IPv6 netmask in the form of uint16_t[8]
  *
  * Returned Value:
@@ -178,7 +178,7 @@ uint8_t net_ipv6_mask2pref(FAR const uint16_t *mask);
  *   Convert a IPv6 prefix length to a network mask.  The prefix length
  *   specifies the number of MS bits under mask (0-128)
  *
- * Parameters:
+ * Input Parameters:
  *   preflen  - Determines the width of the netmask (in bits).  Range 0-128
  *   mask  - The location to return the netmask.
  *