46 lines
1.0 KiB
Markdown
46 lines
1.0 KiB
Markdown
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# StringBufferLen
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The function returns the size of buffer allocated for the string.
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```
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int StringBufferLen(
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string string_var // string
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)
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```
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Parameters
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string_var
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[in] String.
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Return Value
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The value 0 means that the string is constant and buffer size can't be changed. -1 means that the string belongs to the client terminal, and modification of the buffer contents can have indeterminate results.
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Example:
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```
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void OnStart()
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{
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long length=1000;
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string a="a",b="b";
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//---
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long i;
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Print("before: StringBufferLen(a) = ",StringBufferLen(a),
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" StringLen(a) = ",StringLen(a));
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for(i=0;i<length;i++)
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{
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StringAdd(a,b);
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}
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Print("after: StringBufferLen(a) = ",StringBufferLen(a),
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" StringLen(a) = ",StringLen(a));
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}
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```
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See also
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[StringAdd](/en/docs/strings/stringadd), [StringInit](/en/docs/strings/stringinit), [StringLen](/en/docs/strings/stringlen), [StringFill](/en/docs/strings/stringfill)
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