_PATH_MEM
mf = _PATH_MEM;
_kvm_syserr(kd, 0, _PATH_MEM);
_kvm_syserr(kd, 0, _PATH_MEM);
if ((memfd = open(_PATH_MEM, O_RDONLY)) == -1)
err(1, "can't open %s", _PATH_MEM);
if ( (pfd = open( _PATH_MEM, O_RDONLY )) < 0 )
err( 1, "%s seek", _PATH_MEM );