octal digit

同根派生

The digits 8 and 9 are not octal digits.
数字8和9不是八进制数字。
As in Standard C, up to three octal digits are accepted.
就像标准一样C，最多可以接受三位八进制数字。
A sequence of octal or hexadecimal digits is terminated by the first character that is not an octal digit or a hexadecimal digit, respectively.
八进制或十六进制数字序列分别在遇到第一个不是八进制或十六进制数字的字符时结束。
The value of the octal digits represents the numerical value of the character in the machine's character set.
八进制序列的值代表该字符在机器字符集里的数字值。
Pertaining to an operation involving more than one digit.
用于修饰或说明涉及多位数字的运算。