/*
 * Program to:
 * (a) add two numbers
 * (b) add marks in various subjects to obtain total
 */

#include <stdio.h>

/**
 * struct rec - stores marks obtained in various subjects
 * @icp: marks obtained in ICP
 * @dfs: marks obtained in DFS
 * @total: total marks
 */
struct rec {
	int icp;
	int dfs;
	int total;
};

int add_num(int *, int *);
void add_marks(struct rec *);

int main()
{
	int b;
	int c;
	struct rec b2020020;

	b=100;
	c=200;
	b2020020.icp=60;	/* marks in ICP */
	b2020020.dfs=70; 	/* marks in DFS */

	printf("add_num: %d + %d = %d\n\n", b, c, add_num(&b, &c));

	add_marks(&b2020020);

	printf("rec.total = %d\n\n", b2020020.total);

	return 0;
}

/**
 * add_num - returns sum of two integers obtained through pointers
 * @x: pointer to first number
 * @y: pointer to second number
 *
 * We assume that the sum of the two integers given by the user is a valid
 * and correct integer.
 **/
int add_num(int *x, int *y)
{
	return ( *x + *y );
}

/**
 * add_marks - finds rec.total
 * @record: &struct rec
 *
 * We take the student record and add the marks to total
 **/
void add_marks(struct rec *record)
{
	record->total = record->icp + record->dfs;
}