write

/*
 * Same as IO.
 */
static VALUE
rb_gzwriter_write(obj, str)
    VALUE obj, str;
{
    struct gzfile *gz = get_gzfile(obj);

    if (TYPE(str) != T_STRING) {
        str = rb_obj_as_string(str);
    }
    gzfile_write(gz, RSTRING(str)->ptr, RSTRING(str)->len);
    return INT2FIX(RSTRING(str)->len);
}