acctbuf.ac_btime = u.u_start;
acctbuf.ac_uid = u.u_ruid;
acctbuf.ac_gid = u.u_rgid;
acctbuf.ac_mem = 0;
if (i = u.u_vm.vm_utime + u.u_vm.vm_stime)
acctbuf.ac_mem = (u.u_vm.vm_ixrss + u.u_vm.vm_idsrss) / i;
acctbuf.ac_btime = u.u_start;
acctbuf.ac_uid = u.u_ruid;
acctbuf.ac_gid = u.u_rgid;
acctbuf.ac_mem = 0;
if (i = u.u_vm.vm_utime + u.u_vm.vm_stime)
acctbuf.ac_mem = (u.u_vm.vm_ixrss + u.u_vm.vm_idsrss) / i;