readlines

/*
 * call-seq:
 *   strio.readlines(sep_string=$/)  ->   array
 *
 * See IO#readlines.
 */
static VALUE
strio_readlines(argc, argv, self)
    int argc;
    VALUE *argv;
    VALUE self;
{
    struct StringIO *ptr = StringIO(self);
    VALUE ary = rb_ary_new(), line;
    while (!NIL_P(line = strio_getline(argc, argv, readable(ptr)))) {
        rb_ary_push(ary, line);
    }
    return ary;
}