CALL_FUNC          75 maint/gnulib/lib/at-func.c     return CALL_FUNC (file);
CALL_FUNC          93 maint/gnulib/lib/at-func.c         FUNC_RESULT proc_result = CALL_FUNC (proc_file);
CALL_FUNC         130 maint/gnulib/lib/at-func.c   err = CALL_FUNC (file);