NetBSD :
src/print_battery_info.c
src/print_cpu_temperature.c		There must be some requirements for it to work
                           		TODO: Use _PATH_SYSMON instead of /dev/sysmon.
src/print_cpu_usage.c			Looks fine
src/print_ddate.c
src/print_disk_info.c			Not so OK. Sizes multiplied by 8 on NetBSD.
                     			It may be filesystem dependent.
src/print_eth_info.c
src/print_ip_addr.c
src/print_ipv6_addr.c
src/print_load.c			Looks fine
src/print_run_watch.c
src/print_time.c			OK
src/print_volume.c
src/print_wireless_info.c

(maybe with envsys ?)
