| title | C Constants | Microsoft Docs | |||||||||||||
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| ms.date | 11/04/2016 | |||||||||||||
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| ms.topic | article | |||||||||||||
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| ms.assetid | f5bd7213-97ab-4cad-b913-1fc91a486935 | |||||||||||||
| caps.latest.revision | 9 | |||||||||||||
| author | mikeblome | |||||||||||||
| ms.author | mblome | |||||||||||||
| manager | ghogen | |||||||||||||
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A "constant" is a number, character, or character string that can be used as a value in a program. Use constants to represent floating-point, integer, enumeration, or character values that cannot be modified.
constant:
floating-point-constant
integer-constant
enumeration-constant
character-constant
Constants are characterized by having a value and a type. Floating-point, integer, and character constants are discussed in the next three sections. Enumeration constants are described in Enumeration Declarations.