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Editorial Team
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Asked: 2026-05-11T16:18:32+00:00

while(((long)(1000*ratio*((long)clock()-(long)t0))%100)/1000)<Data_Read_Rate); The above line is generating the following error: Syntax Error before < token.

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while(((long)(1000*ratio*((long)clock()-(long)t0))%100)/1000)<Data_Read_Rate);

The above line is generating the following error:
“Syntax Error before < token”.

Why is this error coming up?

I use MINGW32 for development(GCC compiler).

Thanks…

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1 Answer

  1. Editorial Team

    One paren is missing on the left. This will parse:

    while ((((long)(1000*ratio*((long)clock()-(long)t0))%100)/1000)<Data_Read_Rate);

    Aside from the parse issue:

    • Use an editor that highlights matching parentheses 🙂
    • Why not calculate the time remaining until the data read rate has dropped sufficiently, and call sleep()? That’s nicer on the processor.

    Also, considering your use of the % operator, you may want to have the extra paren placed like so (I’m assuming ratio is not an integer), because the % operator requires integer operands:

    while (((long)(1000*ratio*(((long)clock()-(long)t0))%100)/1000)<Data_Read_Rate);

    (But does that make sense on a semantic level? Chop it up!)

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