octal character constant [计] 八进制字符常数 ; 八进制字任常数
Notation, which is unambiguous and cannot be confused with octal character codes; similarly, hexadecimal codes such as.
表示法，该表示法是明确的，并且不会与八进制符号代码混淆；同样，诸如。
The original ASCII 7-bit character set mapped the letters, and monetary, numerical, and control-code information to decimal, octal, and hexadecimal numbers.
原来的ASCII 7位字符集将字母、货币、数字和控制码信息映射为十进制、八进制和十六进制数字。
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