C Program for addition of two numbers no parameter, with return type

#include”stdio.h”
#include”conio.h”
int sum();
void main()
{
int result;
clrscr();
result=sum();
printf(“Sum = %d”,result);
getch();
}

int sum()
{
int a, b, sum;
printf(“Enter two number : “);
scanf(“%d%d”,&a,&b);
sum=a+b;
return sum;
}

C Program to find even or odd using with parameter, no return type

#include”stdio.h”
#include”conio.h”
void evenodd(int);
void main()
{
int n;
printf(“Enter number :”);
scanf(“%d”,&n);
evenodd(n);
getch();
}

void evenodd(int n)
{
if(n%2==0)
printf(“Number is Even”);
else
printf(“Number is Odd”);
}

C Program to find even or odd using with parameter, with return type

#include”stdio.h”
#include”conio.h”
int evenodd(int n);
void main()
{
int a, b;
clrscr();
a=evenodd(b);
if(a==0)
puts(“Number is Even”);
if(a==1)
puts(“Number is Odd”);
getch();
}

int evenodd(int n)
{
printf(“Enter number:”);
scanf(“%d”,&n);
if(n%2==0)
return 0;
else
return 1;
}

C Program to find even or odd using no parameter, no return type

#include”stdio.h”
#include”conio.h”
void main()
{
evenodd();
getch();
}

int evenodd()
{
int n;
clrscr();
printf(“Enter number: “);
scanf(“%d”,&n);
if(n%2==0)
printf(“Number is Even”);
else
printf(“Number is Odd”);
}

C Program to find even or odd using no parameter, with return type

#include”stdio.h”
#include”conio.h”
int evenodd();
void main()
{
int result;
clrscr();
result=evenodd();
if(result==0)
printf(“Number is Even”);
if(result==1)
printf(“Number is Odd”);
getch();
}

int evenodd()
{
int n;
printf(“Enter number : “);
scanf(“%d”,n);
if(n%2==0)
return 0;
else
return 1;
}

Program for addition of two input using Functions

#include<stdio.h.>
#include<conio.h>
int main();
void main()
{
int result;
result=addition();
printf(“%d”,result);
getch();
}

int addition()
{
int n1, n2, sum;
printf(“Enter two number : “);
scanf(“%d%d”,&n1,&n2);
sum=n1+n2;
return (sum);
}