SYSINFO_LENGTH
static char plat_name[SYSINFO_LENGTH];
static char machine_name[SYSINFO_LENGTH];
static char arch_name[SYSINFO_LENGTH];
if (sysinfo(SI_PLATFORM, plat_name, SYSINFO_LENGTH) == -1) {
if (sysinfo(SI_ARCHITECTURE, arch_name, SYSINFO_LENGTH) == -1) {
if (sysinfo(SI_MACHINE, machine_name, SYSINFO_LENGTH) == -1) {