BPF_MAJOR_VERSION
if (v.bv_major != BPF_MAJOR_VERSION ||
if (v.bv_major != BPF_MAJOR_VERSION ||
#ifndef BPF_MAJOR_VERSION
if (bv.bv_major != BPF_MAJOR_VERSION ||
BPF_MAJOR_VERSION, BPF_MINOR_VERSION);
bv->bv_major = BPF_MAJOR_VERSION;
if (bv.bv_major != BPF_MAJOR_VERSION ||