The official standard should not be available online — ISO and its national standards bodies would be unhappy about that. You can obtain an official electronic copy from the ANSI store (http://webstore.ansi.org/) for $18 $30 (or thereabouts — it was $18 when I obtained the C99 standard, but that was quite a while ago now; it was $30 for the C11 standard). Or you can go to the web site linked in other answers (and via Wikipedia) — namely http://www.open-std.org/jtc1/sc22/wg14/ - and obtain almost official copies of the standards documents.
以下是标准 N897 C 标准的链接基本原理和这里是完整的文档 N1124根据 ISO 委员会的规定，这里有一个 wiki 详细介绍了这些标准
Here's the link to the standard N897 C Standard Rationale and here's the full documentation N1124 as set down by ISO committee, here's a wiki detailing about the standards
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标准本身位于此处( a)（包括 TC1、2 和 3），基本原理文档为 此处。
(a) 实际上，它是最终草案，但仍然有用，因为：
The standard itself is here(a) (with TC1, 2 and 3 included), the rationale document is here.
(a) Actually, it's the final draft but is still useful because:
官方标准不应该在网上提供——ISO 及其国家标准机构会对此感到不满。您可以从 ANSI 商店 (http://webstore.ansi.org/) 获取官方电子副本
$18$30（或者大约 - 当我获得 C99 标准时是 18 美元，但那是很久以前的事了；C11 标准是 30 美元）。或者您可以访问其他答案中链接的网站（以及通过维基百科） - 即 http ://www.open-std.org/jtc1/sc22/wg14/ - 并获取标准文档的几乎正式副本。The official standard should not be available online — ISO and its national standards bodies would be unhappy about that. You can obtain an official electronic copy from the ANSI store (http://webstore.ansi.org/) for
$18$30 (or thereabouts — it was $18 when I obtained the C99 standard, but that was quite a while ago now; it was $30 for the C11 standard). Or you can go to the web site linked in other answers (and via Wikipedia) — namely http://www.open-std.org/jtc1/sc22/wg14/ - and obtain almost official copies of the standards documents.以下是标准 N897 C 标准的链接基本原理和这里是完整的文档 N1124根据 ISO 委员会的规定，这里有一个 wiki 详细介绍了这些标准
Here's the link to the standard N897 C Standard Rationale and here's the full documentation N1124 as set down by ISO committee, here's a wiki detailing about the standards
维基百科直接链接到它。
Wikipedia links directly to it.