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Internationalizing Applications
Using Multi-byte Code Pages : Definitions of key terms : Terms for characters
 

Terms for characters

The following terms describe characters:
*A single-byte character is one whose numeric value is expressible in one byte
*A double-byte character is one whose numeric value is expressible in two bytes
*A triple-byte character is one whose numeric value is expressible in three bytes
*An n-byte character is one whose numeric value is expressible in exactly n bytes
*A multi-byte character is one whose numeric value is not expressible in a single byte
Note: A double-byte code page can contain single-byte characters and double-byte characters. A triple-byte code page can contain single-byte characters, double-byte characters, and triple-byte characters, and so on.