>> in usr.bin/netstat, it looks %llu is preferred than %qu when we print >> u_quad_t items. is there any strong reason for this? >> is %qu non-standard? > Yes, %qu is non-standard. > And %llu is part of C99 standard (C99 supports long long) and > more portable. Thanks, I think I need to do #ifdef __FreeBSD__... itojun