Helpers for IPv6 Options (2)

• int inet6_opt_next(void *extbuf, socklen_t extlen, int offset,

  • uint8_t *typep, socklen_t *lenp,
  • void **databufp);
  • Extract the next option from the options header

• int inet6_opt_find(void *extbuf, socklen_t extlen, int offset,

  • uint8_t type, socklen_t *lenp,
  • void **databufp);
  • Extract an option of a specified type from the header

• int inet6_opt_get_val(void *databuf, int offset, void *val,

  • socklen_t vallen);
  • Retrieve one component of the option component

Notes: