Sun Studio 12 Update 1:C 用户指南

(6.1.3.4) The mapping of members of the source character set (in character and string literals) to members of the execution character set(源代码字符集成员(用字符和文本字符串表示)至执行字符集成员的映射):

源代码字符与执行字符之间映射相同。