post              431 src/gauche.h   SCM_EXTERN ScmObj Scm_VMDynamicWind(ScmObj pre, ScmObj body, ScmObj post);
post             3545 src/stdlib.c     ScmObj post;
post             3552 src/stdlib.c     post = (post_scm);
post             3556 src/stdlib.c   SCM_RESULT = Scm_VMDynamicWind(pre, body, post);