unsetenv          498 daemons/execd/pacemaker-execd.c     unsetenv("NOTIFY_SOCKET");
unsetenv          287 lib/cib/cib_client.c     unsetenv("CIB_shadow");
unsetenv          328 lib/common/options.c         unsetenv(env_name);
unsetenv          337 lib/common/options.c         unsetenv(env_name);
unsetenv          387 lib/services/services_linux.c         rc = unsetenv(key);