* changed returnparameter of diskfree and disksize to int64

docs/dos.tex

@@ -211,7 +211,7 @@ None
 \end{procedure}
 \begin{function}{DiskFree}
 \Declaration
-Function DiskFree (Drive: byte) : longint;
+Function DiskFree (Drive: byte) : Int64;
 
 \Description
 
@@ -245,7 +245,7 @@ These settings can be coded in \var{dos.pp}, in the initialization part.
 \html{\input{dosex/ex6.tex}}
 \begin{function}{DiskSize}
 \Declaration
-Function DiskSize (Drive: byte) : longint;
+Function DiskSize (Drive: byte) : Int64;
 
 \Description