restructured library manual accordiung to functional group
diff --git a/Doc/libsun.tex b/Doc/libsun.tex
index d297b9c..5628369 100644
--- a/Doc/libsun.tex
+++ b/Doc/libsun.tex
@@ -1,8 +1,8 @@
-\chapter{SUNOS ONLY}
+\chapter{SunOS Specific Services}
The modules described in this chapter provide interfaces to features
that are unique to the SunOS operating system (versions 4 and 5; the
-latter is also known as SOLARIS version 2).
+latter is also known as Solaris version 2).
\section{Built-in Module \sectcode{sunaudiodev}}
\bimodindex{sunaudiodev}