ScmNextMethod    2434 src/class.c        ScmNextMethod *nm = SCM_NEW(ScmNextMethod);
ScmNextMethod    2451 src/class.c        ScmNextMethod *nm = SCM_NEXT_METHOD(obj);
ScmNextMethod    2347 src/gauche.h       ScmObj (*func)(ScmNextMethod *nm, ScmObj *args, int nargs, void * data);
ScmNextMethod    2381 src/gauche.h   #define SCM_NEXT_METHOD(obj)       ((ScmNextMethod*)obj)
ScmNextMethod     938 src/vm.c                           ScmNextMethod *n = SCM_NEXT_METHOD(VAL0);