[S32::IO] all .read methods should return a Buf. This is not C.

Author: moritz

S32-setting-library/IO.pod

@@ -569,11 +569,11 @@ $how can contain 1 or more of the strings 'Readable' and 'Writeable'.
 
     method accept( --> IO::Socket)
 
-=item method read($buf is rw, Int $bytes --> Int)
+=item method read(Int $bytes --> Buf)
 
 Implements the IO::Readable interface by doing a I<recv(2)>.
 
-=item method write($buf, Int $bytes --> Int)
+=item method write(Buf $buf --> Int)
 
 Implements the IO::Writeable interface by doing  a I<send(2)>.