米6体育平台手机版

SLAU131V October 2004 – February 2020

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4.7.1.5 Character Literals

A character literal is a single character enclosed in single quotes. The characters are represented internally as 8-bit ASCII characters. Two consecutive single quotes are required to represent each single quote that is part of a character literal. A character literal consisting only of two single quotes is valid and is assigned the value 0. These are examples of valid character literals:

'a'	Defines the character literal a and is represented internally as 61₁₆
'C'	Defines the character literal C and is represented internally as 43₁₆
''''	Defines the character literal ' and is represented internally as 27₁₆
''	Defines a null character and is represented internally as 00₁₆
Notice the difference between character literals and character string literals (Section 4.7.2 discusses character strings). A character literal represents a single integer value; a string is a sequence of characters.