Answers for "“volatile” qualifier in C"

2

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.
Posted by: Guest on March-31-2020
1

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;
}
Posted by: Guest on June-05-2020

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