Scm_SysSigsetOp 2578 src/gauche.h SCM_EXTERN ScmObj Scm_SysSigsetOp(ScmSysSigset*, ScmObj, int); Scm_SysSigsetOp 873 src/syslib.c SCM_RESULT = (Scm_SysSigsetOp(set, sigs, FALSE)); Scm_SysSigsetOp 898 src/syslib.c SCM_RESULT = (Scm_SysSigsetOp(set, sigs, TRUE));