thread_scm        343 ext/threads/thrlib.c   ScmObj thread_scm;
thread_scm        358 ext/threads/thrlib.c   if (SCM_NULLP(SCM_OPTARGS)) thread_scm = SCM_UNBOUND;
thread_scm        360 ext/threads/thrlib.c     thread_scm = SCM_CAR(SCM_OPTARGS);
thread_scm        363 ext/threads/thrlib.c   thread = (thread_scm);