How to I fix expected identifier or '(' before '{' token

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how to i fix expected identifier or '(' before '{' token

What I have tried:

{
int i;
	for(i; delay>0; delay--)
	 {
		for(i =0; i<3195;i++)
	 }
}

Posted 16-Jun-22 20:20pm

Sravani Sandhya

Updated 16-Jun-22 21:33pm

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Richard MacCutchan · Answer 1 · 2022-06-16T21:17:00

Solution 1

C++

int i;
	for(i; delay>0; delay--) // you have not set i to any value*
	 {
		for(i =0; i<3195;i++) // you are now using the same variable in two loops, which will cause problems
	 }

* I suspect the first for statement should be something like:

C++

for(delay = some_number_greater_than_zero; delay>0; delay--)

Posted 16-Jun-22 21:17pm

Richard MacCutchan

Comments

CPallini 17-Jun-22 3:23am

5.

Richard MacCutchan 17-Jun-22 3:26am

Thank you (twice) :) .

Sravani Sandhya 17-Jun-22 7:09am

I have tried the above suggestions still not working

Richard MacCutchan 17-Jun-22 7:20am

Sorry, we cannot guess what you have tried, or what you mean by, "not working". Please use the Improve question link above, and add complete details of your revised code, and what results you see.

CPallini · Answer 2 · 2022-06-16T21:33:00

If you feed your favourite compiler (I am using GCC here) with

C

int main()
{ 
  int i;
  for(i; delay>0; delay--)
  {
    for(i =0; i<3195;i++)
  }
  return 0;
}

then you get an output similar to

program.c: In function ‘main’:
program.c:4:2: warning: statement with no effect [-Wunused-value]
    4 |  for(i; delay>0; delay--)
      |  ^~~
program.c:4:9: error: ‘delay’ undeclared (first use in this function)
    4 |  for(i; delay>0; delay--)
      |         ^~~~~
program.c:4:9: note: each undeclared identifier is reported only once for each function it appears in
program.c:7:2: error: expected expression before ‘}’ token
    7 |  }
      |  ^

That, I dare say, it is pretty informative.