- x_obstack_blank (&extended_header, p);
- x_obstack_1grow (&extended_header, '\n');
- cp = obstack_next_free (extended_header.stk) - string_length - p - 1;
- memmove (cp + p, cp, string_length);
+ x_obstack_blank (xhdr, p);
+ x_obstack_1grow (xhdr, '\n');
+ cp = obstack_next_free (xhdr->stk) - xhdr->string_length - p - 1;
+ memmove (cp + p, cp, xhdr->string_length);