PCR_ERes_IsErr   1997 gc/os_dep.c    	if (PCR_ERes_IsErr(
PCR_ERes_IsErr   1999 gc/os_dep.c                  || PCR_ERes_IsErr(GC_push_thread_stack(PCR_Th_CurrThread(), 0))) {
PCR_ERes_IsErr     85 gc/pcr_interface.c         if (PCR_ERes_IsErr(ed -> ed_fail_code)) return;