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Uppercase and Lowercase

 

The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.

The latest version of this topic can be found at Uppercase and Lowercase.

ANSI 3.1.2** Whether case distinctions are significant

Microsoft C treats identifiers within a compilation unit as case sensitive.

The Microsoft linker is case sensitive. You must specify all identifiers consistently according to case.

See Also

Behavior of Identifiers