each_line

/*
 * See Zlib::GzipReader documentation for a description.
 */
static VALUE
rb_gzreader_each(argc, argv, obj)
    int argc;
    VALUE *argv;
    VALUE obj;
{
    VALUE str;
    while (!NIL_P(str = gzreader_gets(argc, argv, obj))) {
        rb_yield(str);
    }
    return obj;
}