volatile keyword in c
C's volatile keyword is a qualifier that is applied to a variable when it is declared. It tells the compiler that the value of the variable may change at any time--without any action being taken by the code the compiler finds nearby.declaring a volatile in c
//volatile keyword usage in C
#include<stdio.h>
int main(){
//different methods of declaring and initializing volatile variables
//method 1 - volatile int
int volatile number1 = 10;
//method 2 - volatile int
volatile int number2;
number2 = 20;
//method 3 - volatile pointer
int volatile *p1;
p1 = &number1;
//method 4 - volatile double pointer
volatile int **p2;
p2 = &p1;
printf("%d %d %d %d",number1,number2,*p1,**p2);
return 0;
}Copyright © 2021 Codeinu
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