KEYARG_if_exists 3084 src/extlib.c   static ScmObj KEYARG_if_exists = SCM_UNBOUND;
KEYARG_if_exists 3106 src/extlib.c     if_exists_scm = Scm_GetKeyword(SCM_OBJ(KEYARG_if_exists), SCM_OPTARGS, key_supersede);
KEYARG_if_exists 5036 src/extlib.c     if_exists_scm = Scm_GetKeyword(SCM_OBJ(KEYARG_if_exists), SCM_OPTARGS, key_error);
KEYARG_if_exists 6074 src/extlib.c     KEYARG_if_exists = Scm_MakeKeyword(&KEYARG_if_exists__NAME);