2006-07-27 Benoît Dejean <benoit@placenet.org> * glibtop_private.c: (has_sysfs): * glibtop_private.h: * netload.c: (glibtop_get_netload_s): * open.c: (set_linux_version): New has_sysfs function to avoid stating over and over '/sys' on each netload call.