"tail -n 1 filename" error while "head -n 1 filename" is ok? Post: 302506533

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LEARN ABOUT CENTOS

struct_cfg80211_beacon_data

STRUCT 
CFG80211_BEAC(9) 				     Actions and configuration					   STRUCT CFG80211_BEAC(9)

NAME

       struct_cfg80211_beacon_data - beacon data

SYNOPSIS

       struct cfg80211_beacon_data {
	 const u8 * head;
	 const u8 * tail;
	 const u8 * beacon_ies;
	 const u8 * proberesp_ies;
	 const u8 * assocresp_ies;
	 const u8 * probe_resp;
	 size_t head_len;
	 size_t tail_len;
	 size_t beacon_ies_len;
	 size_t proberesp_ies_len;
	 size_t assocresp_ies_len;
	 size_t probe_resp_len;
       };

MEMBERS

       head
	   head portion of beacon (before TIM IE) or NULL if not changed

       tail
	   tail portion of beacon (after TIM IE) or NULL if not changed

       beacon_ies
	   extra information element(s) to add into Beacon frames or NULL

       proberesp_ies
	   extra information element(s) to add into Probe Response frames or NULL

       assocresp_ies
	   extra information element(s) to add into (Re)Association Response frames or NULL

       probe_resp
	   probe response template (AP mode only)

       head_len
	   length of head

       tail_len
	   length of tail

       beacon_ies_len
	   length of beacon_ies in octets

       proberesp_ies_len
	   length of proberesp_ies in octets

       assocresp_ies_len
	   length of assocresp_ies in octets

       probe_resp_len
	   length of probe response template (probe_resp)

AUTHOR

       Johannes Berg <johannes@sipsolutions.net>
	   Author.

COPYRIGHT

Kernel Hackers Manual 3.10					     June 2014						   STRUCT CFG80211_BEAC(9)