在很多情形下，您需要根据代码单元计算的字符串长度，可以使用基于字符的函数来获取根据字符串单元计算的字符串长度。

In many situations, you need the string length in terms of code units, the character-based functions could be used to find the length of the string in terms of string units.

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使用 OCTETS 作为字符串长度单元时，通过简单地计算字符串的字节数即可确定字符串的长度。

When OCTETS is used as the string length unit, the length of a string is determined by simply counting the bytes of the string.

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希望您使用新的SYSIBM函数路径，既便您没有使用字符串单元参数也是如此。

You are expected to use the new SYSIBM function path, even when you are not using the string unit argument.

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