ScmMacro          599 src/gauche/vm.h SCM_EXTERN ScmObj Scm_CallMacroExpander(ScmMacro *mac, ScmObj expr, ScmObj env);
ScmMacro          600 src/gauche/vm.h SCM_EXTERN ScmObj Scm_CallMacroExpanderOld(ScmMacro *mac, ScmObj expr, ScmObj env);
ScmMacro          975 src/macro.c    ScmObj Scm_CallMacroExpander(ScmMacro *mac, ScmObj expr, ScmObj env)