PCR_Th_T         1963 gc/os_dep.c    PCR_ERes GC_push_thread_stack(PCR_Th_T *t, PCR_Any dummy)
PCR_Th_T         1701 gc/tests/test.c     PCR_Th_T * th1;
PCR_Th_T         1702 gc/tests/test.c     PCR_Th_T * th2;