add: have_privs = check_for_privs();
context: static void init_libproc(void){  // ought to count CPUs in /proc/stat instead of relying  // on glibc, which foolishly tries to parse /proc/cpuinfo  //  // SourceForge has an old Alpha running Linux 2.2.20 that  // appears to have a non-SMP kernel on a 2-way SMP box.  // _SC_NPROCESSORS_CONF returns 2, resulting in HZ=512  // _SC_NPROCESSORS_ONLN returns 1, which should work OK  smp_num_cpus = sysconf(_SC_NPROCESSORS_ONLN);  if(smp_num_cpus<1) smp_num_cpus=1; /* SPARC glibc is buggy */  if(linux_version_code > LINUX_VERSION(2, 4, 0)){     Hertz = find_elf_note(AT_CLKTCK);    if(Hertz!=NOTE_NOT_FOUND) return;    fprintf(stderr, "2.4+ kernel w/o ELF notes? -- report this\n");  }  old_Hertz_hack();}