if_exists_scm    3091 src/extlib.c     ScmObj if_exists_scm;
if_exists_scm    3106 src/extlib.c     if_exists_scm = Scm_GetKeyword(SCM_OBJ(KEYARG_if_exists), SCM_OPTARGS, key_supersede);
if_exists_scm    3107 src/extlib.c     if_exists = (if_exists_scm);
if_exists_scm    5030 src/extlib.c     ScmObj if_exists_scm;
if_exists_scm    5036 src/extlib.c     if_exists_scm = Scm_GetKeyword(SCM_OBJ(KEYARG_if_exists), SCM_OPTARGS, key_error);
if_exists_scm    5037 src/extlib.c     if_exists = (if_exists_scm);