_3_1_5 {
global:
  readproc; openproc; closeproc; display_version; meminfo; vminfo;
  dev_to_tty; escape_command; open_psdb_message; signal_name_to_number;
  sprint_uptime; wchan; procps_version; linux_version_code;
  Hertz; smp_num_cpus; escape_str; escape_strlist; look_up_our_self;
  open_psdb; ps_readproc; uptime; pretty_print_signals;
  unix_print_signals; user_from_uid; print_uptime; loadavg;
  kb_active; kb_inactive; kb_main_buffers; kb_main_cached;
  kb_main_free; kb_main_total; kb_main_used; kb_swap_free;
  kb_swap_total; kb_swap_used; kb_main_shared; tty_to_dev;
  vm_pgpgin; vm_pgpgout; vm_pswpin; vm_pswpout; readproctab;
  print_given_signals;
local: *;
};