[ns] mac address 48 bit or 32 bit in ns?

[Kan Chen]

Hi all,
the 802.11 header dst address "dh_ra[ETHER_ADDR_LEN]" is 48 bit ,but in the
hdr_dst() function use "STORE4BYTE(&dst, (dh->dh_ra))",only 32 bit.I don't
know why the ns use 32 bit. Does anyone know?
Thanks,
Kan