libprocessgroup/cgrouprc/libcgrouprc.map.txt

LIBCGROUPRC { # introduced=29
  global:
    ACgroupFile_getVersion;
    ACgroupFile_getControllerCount;
    ACgroupFile_getController;
    ACgroupController_getVersion;
    ACgroupController_getName;
    ACgroupController_getPath;
  local:
    *;
};

LIBCGROUPRC_30 { # introduced=30
  global:
    ACgroupController_getFlags;
  local:
    *;
};