open

/*
 * call-seq: Zlib::GzipWriter.open(filename, level=nil, strategy=nil) { |gz| ... }
 *
 * Opens a file specified by +filename+ for writing gzip compressed data, and
 * returns a GzipWriter object associated with that file.  Further details of
 * this method are found in Zlib::GzipWriter.new and Zlib::GzipWriter#wrap.
 */
static VALUE
rb_gzwriter_s_open(argc, argv, klass)
    int argc;
    VALUE *argv;
    VALUE klass;
{
    return gzfile_s_open(argc, argv, klass, "wb");
}