PCMK__ENV_TRACE_FUNCTIONS  644 lib/common/logging.c         trace_fns = pcmk__env_option(PCMK__ENV_TRACE_FUNCTIONS);
PCMK__ENV_TRACE_FUNCTIONS  718 lib/common/logging.c              pcmk__env_option(PCMK__ENV_TRACE_FUNCTIONS),
PCMK__ENV_TRACE_FUNCTIONS  730 lib/common/logging.c             || (pcmk__env_option(PCMK__ENV_TRACE_FUNCTIONS) != NULL)