Update comments; trivial addtion to a document.

Documentation/NuttXCCodingStandard.html

@@ -162,10 +162,10 @@
     Pre-processor Definitions
   </li>
   <li>
-    Private Types
+    Private Types (definitions)
   </li>
   <li>
-    Private Function Prototypes
+    Private Function Prototypes (declarations)
   </li>
   <li>
     Private Data (definitions)
@@ -191,7 +191,7 @@
     Pre-processor Definitions
   </li>
   <li>
-    Public Types
+    Public Types (definitions)
   </li>
   <li>
     Public Data (declarations)
@@ -212,12 +212,12 @@
 </p>
 <p>
   <a name="idempotence"><b>Header File Idempotence</b></a>.
-  C header file must protect against multipleinclusion through the use of macros that &quot;guard&quot; against multiple definitions if the header file is included multiple times.
+  C header file must protect against multiple inclusion through the use of macros that &quot;guard&quot; against multiple definitions if the header file is included multiple times.
 </p>
 <ul>
   <li>
     <p>
-      Each header file must contain the following pre-processor commands near the beginning of the header file:  Between the file header and the &quot;Included Files&quot; block comment.
+      Each header file must contain the following pre-processor conditional logic near the beginning of the header file:  Between the file header and the &quot;Included Files&quot; block comment.
       For example,
     </p>
     <ul><pre>

net/tcp/tcp_input.c

@@ -71,9 +71,9 @@
  *   Handle incoming TCP input
  *
  * Parameters:
- *   dev      - The device driver structure containing the received TCP packet.
+ *   dev   - The device driver structure containing the received TCP packet.
- *   tcp      - A pointer to the TCP header in the packet
+ *   tcp   - A pointer to the TCP header in the packet
- *   tcpiplen - Combined length of the IP and TCP headers
+ *   iplen - Combined length of the IP and TCP headers
  *
  * Return:
  *   None

net/udp/udp_input.c

@@ -67,9 +67,9 @@
  *   Handle incoming UDP input
  *
  * Parameters:
- *   dev      - The device driver structure containing the received UDP packet
+ *   dev   - The device driver structure containing the received UDP packet
- *   udp      - A pointer to the UDP header in the packet
+ *   udp   - A pointer to the UDP header in the packet
- *   udpiplen - Length of the IP and UDP headers
+ *   iplen - Length of the IP and UDP headers
  *
  * Return:
  *   OK  The packet has been processed  and can be deleted