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What is the fairly common way to implement a flag function?

Question asked by Carter Lee on Sep 25, 2017
Latest reply on Sep 27, 2017 by ColdWeather

I'm actually I want to implement some such as a flag function into my code.

But I'm struggling with implementation in c.

What is the fairly common way to implement a flag function?

 

 

int trigger =0;

 

main() {

   while(1) {

   switch (num)

   case0

   case1 : trigger = 0

   ..

   case6 : trigger = 1

   

   

   if (trigger==1)

   printf("trigger-on");

   else

   printf("trigger-off");

   

   }

}

 

 

As you can see the problem of above is  that if case 6 is activated, then we can see lots of "trigger-on" printed messages.

 

But I want this just to do one time with trigger or flag.. 

What is the fairly common way to implement a flag function?

 

 

 

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