Program with default funtions
#include<stdio.h>
show()
{
printf("Hy, Vishal");
}
void main()
{
show();
}
Output:
Program with function with parameter for arithmetic operations
#include<stdio.h>
int add(int a,int b)
{
printf("add %d",a+b);
}
int sub(int a,int b)
{
printf("\n sub %d",a-b);
}
int mul(int a,int b)
{
printf("\n mul %d",a*b);
}
int div(float a,float b)
{
printf("\n div %f",a/b);
}
int avg(float a,float b)
{
float c=(a/b)*100;
printf("\n add %f",c);
}
void main()
{
add(12,13);
sub(45,6);
mul(12,6);
div(100,5);
avg(574,700);
}
Output:
Program with function with return type
#include<stdio.h>
int add(int c,int b)
{
return c+b;
}
void main()
{
int a,b,c;
a=10;
b=30;
c=add(a,b);
printf("addition = %d",c);
}
Output:
Program to swap two values with fun with arguements (pass by reference)
#include<stdio.h>
#include<conio.h>
int fun(int *x,int *y)
{
int c=0;
c=*x;
*x=*y;
*y=c;
}
void main()
{
int a=9,b=1;
fun(&a,&b);
printf("\n a=%d \n b=%d",a,b);
}
Output:
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