$FUNCNAME$
	gZipRead()
$CATEGORY$
  Pack/Unpack,FILE/IO
$SUMMARY$
	Read data from GZIP file.
$LANG_RU$
	   GZIP .
$SYNTAX$
	gZipRead(<nHandle>, <@cBuffer> [,<nLen>]) --> realLen
$LANG_RU$
$ARGUMENTS$
	<nHandle> - number of opened file.
	<cBuffer> - buffer for read data.
	<nLen> - number of read bytes.
$LANG_RU$
	<nHandle> -   .
	<cBuffer> -    .
	<nLen> - -   .
$RETURNS$

       gZipRead() returns number of readed bytes or -1 if error.
$LANG_RU$
       gZipRead()  -    -1  .
$DESCRIPTION$
	Read and unpack data from opened GZIP file with <nHandle>
	into preallocated <cBuffer> <nLen> bytes.
$LANG_RU$
	   <nLen>    GZIP 
	  <nHandle>   <cBuffer> .
$EXAMPLES$
	s := space(1000)
	realLen := gzipRead(h,@s,300)
$PLATFORMS$
   No dependies of platform.
   $LANG_RU$
      
$SEEALSO$
	gZipOpen(),gZipWrite(),gZipClose()
$AUTHOR$
ITK,Paul
$END$
