将char *转换为int * [英] Casting char* to int*
问题描述
char * pch [120];
//我们应该检查
// if（（size_t）pch& 3）== 0）
//在以下声明之前？
int * pint =（int *）pch;
Alex Vinokur
电子邮件：alex DOT vinokur AT gmail DOT com
http://mathforum.org/library/view/10978.html
http://sourceforge.net/users/alexvn
char* pch [120];
// Should we check
// if (((size_t) pch & 3) == 0)
// before the following statement ?
int* pint = (int*) pch;
Alex Vinokur
email: alex DOT vinokur AT gmail DOT com
http://mathforum.org/library/view/10978.html
http://sourceforge.net/users/alexvn
推荐答案
Alex Vinokur说：
Alex Vinokur said:
char * pch [120];
//我们应该检查
// if（（（size_t）pch & 3）== 0）
//在以下语句之前？
int * pint =（int *）pch;
char* pch [120];
// Should we check
// if (((size_t) pch & 3) == 0)
// before the following statement ?
int* pint = (int*) pch;
演员阵容没有意义，作业也是如此。
不要这样做。
< br $>
-
Richard Heathfield< http://www.cpax.org.uk>
电子邮件：-http：// www。 + rjh @
谷歌用户：< http://www.cpax.org.uk/prg/writings/googly.php>
Usenet是一个奇怪的放置" - dmr 1999年7月29日
The cast is meaningless, as is the assignment.
Don''t Do That.
--
Richard Heathfield <http://www.cpax.org.uk>
Email: -http://www. +rjh@
Google users: <http://www.cpax.org.uk/prg/writings/googly.php>
"Usenet is a strange place" - dmr 29 July 1999
Alex Vinokur写道：
Alex Vinokur wrote:
char * pch [120];
//我们应该检查
// if（（size_t）pch& 3）== 0）
//之前以下陈述？
int * pint =（int *）pch;
char* pch [120];
// Should we check
// if (((size_t) pch & 3) == 0)
// before the following statement ?
int* pint = (int*) pch;
不，我们根本不应该做任务。或者，就此而言，if。
来想一想，调用变量`pch`看起来有点奇怪。我假设
，`pint`是一个变量来应对transAtlantic变异？
-
克里斯喝一半无论如何" Dollin
Hewlett-Packard Limited注册办公室：Cain Road，Bracknell，
注册号：690597 England Berks RG12 1HN
No, we simply shouldn''t do the assignment. Or, for that matter, the if.
Come to think of it, calling a variable `pch` looks a bit odd. I assume
that `pint` is a variable to cope with transAtlantic variation?
--
Chris "drinks halves anyway" Dollin
Hewlett-Packard Limited registered office: Cain Road, Bracknell,
registered no: 690597 England Berks RG12 1HN
11月16日上午11:32，Alex Vinokur< ale ... @ users.sourceforge.net>
写道：
On Nov 16, 11:32 am, Alex Vinokur <ale...@users.sourceforge.net>
wrote:
char * pch [120];
//我们应该检查
// if（（size_t） pch& 3）== 0）
//在下面的语句之前？
int * pint =（int *）pch;
char* pch [120];
// Should we check
// if (((size_t) pch & 3) == 0)
// before the following statement ?
int* pint = (int*) pch;
对不起，应该是：
char pch [120];
//我们应该检查
// if（（size_t）pch& 3）== 0）
//在以下语句之前？
int * pint = （int *）pch;
Alex Vinokur
电子邮件：alex DOT vinokur AT gmail DOT com
http://mathforum.org/libr ary / view / 10978.html
http://sourceforge.net / users / alexvn
Sorry, should be:
char pch [120];
// Should we check
// if (((size_t) pch & 3) == 0)
// before the following statement ?
int* pint = (int*) pch;
Alex Vinokur
email: alex DOT vinokur AT gmail DOT com
http://mathforum.org/library/view/10978.html
http://sourceforge.net/users/alexvn
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