Every POSIX locale, regardless of whether it USES an ASCII single-byte or multibyte UTF-8 character encoding, relies on this character type, provided it is actually using a post-2.2 version of glibc.
每一种POSIXlocale，只要它实际上使用了post- 2.2版本的glibc，不管它是使用ASCII单字节，还是使用多字节utf - 8字符编码，都要依赖于这种字符类型。
Every POSIX locale, regardless of whether it USES an ASCII single-byte or multibyte UTF-8 character encoding, relies on this character type, provided it is actually using a post-2.2 version of glibc.
每一种POSIXlocale，只要它实际上使用了post- 2.2版本的glibc，不管它是使用ASCII单字节，还是使用多字节utf - 8字符编码，都要依赖于这种字符类型。
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