some program link with old version of libpcap.lib,which call 
function PacketGetAdapterNames with small buf (1024?),if the 
computer with so many NICs, the "BufferSize" is not enough to
hold all the names,error occur. for example ,some older version
snort(use older version libpcap) cause this problem. so we can
use the new version of winpcap(libpcap) ,or give a larger size
to BufferSize in PacketGetAdapterNames.



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