gzclose Close an open gz-file pointer &reftitle.description; boolgzclose resourcezp Closes the given gz-file pointer. &reftitle.parameters; zp The gz-file pointer. It must be valid, and must point to a file successfully opened by gzopen. &reftitle.returnvalues; &return.success; &reftitle.examples; <function>gzclose</function> example ]]> &reftitle.seealso; gzopen