Why in this code, an asterik has come after int ?

Question

void swap(

int*

a, int* b) {
int temp = *a;
*a = *b;

*

b = temp;
}

Answer 1

Review the pointers section of the c course.

https://www.sololearn.com/learn/C/2933/?ref=app

Answer 2

a and b are pointers to integers which means that they are varaiables that contain the addresses of integer variables.