--- projects/libstatgrab/docs/statgrab.xml	2004/05/04 19:28:06	1.9
+++ projects/libstatgrab/docs/statgrab.xml	2004/07/18 20:48:57	1.12
@@ -6,8 +6,8 @@
 <refentry id="statgrab">
 
   <refentryinfo>
-    <date>$Date: 2004/05/04 19:28:06 $</date>
-    <releaseinfo>$Id: statgrab.xml,v 1.9 2004/05/04 19:28:06 tdb Exp $</releaseinfo>
+    <date>$Date: 2004/07/18 20:48:57 $</date>
+    <releaseinfo>$Id: statgrab.xml,v 1.12 2004/07/18 20:48:57 ats Exp $</releaseinfo>
   </refentryinfo>
 
   <refmeta>
@@ -43,6 +43,10 @@
         <void/>
       </funcprototype>
       <funcprototype>
+        <funcdef>int<function>sg_get_error_errno</function></funcdef>
+        <void/>
+      </funcprototype>
+      <funcprototype>
         <funcdef>const char *<function>sg_str_error</function></funcdef>
         <paramdef>sg_error <parameter>code</parameter></paramdef>
       </funcprototype>
@@ -70,6 +74,11 @@
       </funcprototype>
 
       <funcprototype>
+        <funcdef>sg_fs_stats *<function>sg_get_fs_stats</function></funcdef>
+        <void/>
+      </funcprototype>
+
+      <funcprototype>
         <funcdef>sg_host_info *<function>sg_get_host_info</function></funcdef>
         <void/>
       </funcprototype>
@@ -156,9 +165,14 @@
       The first, <function>sg_get_error</function> returns an sg_error code
       which relates to the last error generated by libstatgrab. This can be
       converted to a string by calling <function>sg_str_error</function>
-      giving the sg_error code as an argument. Finally, an optional
+      giving the sg_error code as an argument. An optional
       argument may be set when the error was generated. This can be
-      accessed by calling <function>sg_get_error_arg</function>.
+      accessed by calling <function>sg_get_error_arg</function>;
+      <constant>NULL</constant> will be returned if no argument has
+      been set. Some errors will also record the value of the system
+      errno variable when the error occurred; this can be retrieved by
+      calling <function>sg_get_error_errno</function>, which will
+      return <constant>0</constant> if no valid errno has been recorded.
     </para>
     <para>
       It is the intended practice that whenever a libstatgrab function is
@@ -183,6 +197,10 @@
         </citerefentry>
         <citerefentry>
           <refentrytitle>sg_get_disk_io_stats</refentrytitle>
+          <manvolnum>3</manvolnum>
+        </citerefentry>
+        <citerefentry>
+          <refentrytitle>sg_get_fs_stats</refentrytitle>
           <manvolnum>3</manvolnum>
         </citerefentry>
         <citerefentry>