Program for function without return type and without arguments in C.

Code Box
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/*Program for  function without return type and without arguments*/

#include<stdio.h>
#include<conio.h>
void main()
{
void sum(); //Function Declaration
printf("Sum of two number:");
sum(); //Function call
getch();
}
void  sum() //Function Definition
{
int a,b,c;
a=5;
b=6;
c=a+b;
printf("%d",c);
}