pointer.c

#include<stdio.h>
void addi(int* ii); //int i = 44;
float area(float a, float b);
int main()
{
    int i = 0;
    int* iptr = &i; //star with datatype => pointer creation
    *iptr = 44;
    printf("before adding i = %d and its address is %x \n", i, &i);
    addi(&i);
    printf("after adding i = %d and its address is %x \n", i,&i);

     float g = area(12.5, 22.6);

    return 0;
}

void addi(int *k) //int * k = &i;
{
    *k = *k + 22;
}

float area(float a, float b)
{
    float area = a * b;
    return area;
}