arg_stk_end       428 ext/mbstring/oniguruma/regexec.c stack_double(OnigStackType** arg_stk_base, OnigStackType** arg_stk_end,
arg_stk_end       435 ext/mbstring/oniguruma/regexec.c   stk_end  = *arg_stk_end;
arg_stk_end       464 ext/mbstring/oniguruma/regexec.c   *arg_stk_end  = x + n;