parse_refers
it = parse_refers(die, psz, CTF_K_POINTER);
it = parse_refers(die, psz, CTF_K_TYPEDEF);
it = parse_refers(die, psz, CTF_K_CONST);
it = parse_refers(die, psz, CTF_K_VOLATILE);
it = parse_refers(die, psz, CTF_K_RESTRICT);
struct itype *parse_refers(struct dwdie *, size_t, int);