获取对象的字符偏移量。
将活动点移动到给定的基于1的绝对字符偏移位置。
Moves the active point to the given 1-based absolute character offset.
这基本上是一个嵌套结构，它只是给出了每个产品在源文本中匹配的字符偏移量。
Basically, this is a nested structure that simply gives the character offsets where every production was matched in the source text.
可以根据特定字符偏移和长度，使用另一种形式的变量扩展，来选择特定子字符串。
We can use another form of variable expansion to select a specific substring, based on a specific character offset and length. Try typing in the following lines under bash.
请注意，偏移数可以是负数，这意味着反向偏移字符。
Please note that the shift number could be negative, which means shifting letters backwards.
我们从当前文档偏移位置开始，向后读取文档字符。
Starting at the current document offset, we read document characters backwards.
一些函数的输入是数值，比如字符串函数的起始、长度和偏移量参数。
For some functions, a numeric value is input, for example start, length, and offset parameters of string functions.
这些参数指向了一个字符串表中的偏移量。
字符串中的偏移量：LOCATE函数的第二个参数，指定了字符串中开始搜索的起始位置。
Offset within a string: The second argument of the LOCATE function, which specifies the starting position within a string to begin the search.
当String构造器运行时，字符串长度和偏移量被设置成所需要的值。
When the String constructor runs, the length and offset are then set to their desired values.
现在我们处理的不是C语言和它的数组，我们想用字符串偏移量，所以我们需要一个哈希函数，为每个键值计算出一个数值。
Now we're not dealing with C and C arrays but also want to use string offsets so we need a function to calculate a numeric value, a hash, for each key.
偏移量包含非法字符。请输入有效偏移量。
该字符串代表(无操作)的含义，习惯将ROM设置PP为默认12MB，但允许在下面的偏移处被修改。
This will make the string NOP (No Operation) meaning, the ROM wont set the PP to default 12mb but will allow the change in below offset.
如果设定本标记，对每个出现的匹配结果也同时返回其附属的字符串偏移量。
If this flag is set for every occurring match the appendant string offset will also be returned.
无符号长整型数，它给出输入字符串的IL偏移量，或在没有IL偏移量或字符串格式不良时给出零。
Offset Unsigned long integer giving the IL offset from the input string, or zero if there was no IL offset or the string was not well formed.
偏移量包含非法字符。
和substr差不错，不过就是在计算偏移量的时候，有差异，substr是以字符为单位。
SUBSTR calculates lengths using characters as defined by the input character set.
获取给定字符串中数据的偏移量(以字节为单位)。
获取给定字符串中数据的偏移量(以字节为单位)。
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