> For the complete documentation index, see [llms.txt](https://book.bsdcn.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.bsdcn.org/man/iconv/iconv_canonicalize.3.md). # iconv\_canonicalize.3 `iconv_canonicalize` — 将字符编码名称解析为规范形式 ## 名称 `iconv_canonicalize` ## 库 Lb libc ## 概要 `#include ` `Ft const char * Fn iconv_canonicalize const char *name` ## 描述 `iconv_canonicalize` 函数将 `name` 参数指定的字符编码名称解析为其规范形式。 ## 返回值 `iconv_canonicalize` 成功完成时返回给定编码的规范名称。若指定名称已经是规范名称，返回相同值。若指定名称不是已存在的字符编码名称，返回 NULL。 ## 参见 [iconv(3)](/man/iconv/iconv.3.md) ## 标准 `iconv_canonicalize` 函数是非标准扩展，最早出现于 GNU 实现，为兼容性考虑在 FreeBSD 9.0 中引入。 ## 作者 本手册页由 Gabor Kovesdan 编写。 --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://book.bsdcn.org/man/iconv/iconv_canonicalize.3.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.