Functions in C

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 FUNCTION

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what is function

1 Function is piece of code to accomplish any certain opration

2 it has a name for identification

3 Function are two types 

. pre defined functions [ exapmle= clrscr(); ]

. user defined function [ example= made by user like you can see in source code ]

TERMS OF FUNCTION.

. Function defenation ( funcation defenation are 4 types)

1. takes nothing returns nothing

2. takes something returns nothing

3. takes nothing returns something

4. takes something returns something 

. function declaration ( function prototype ) you can read from source code. 

. function call 


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function run screen

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Source Code

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#include<stdio.h>
#include<conio.h>

void add(void);  // function declaration or prototype //
void main()
{
    clrscr();
    add(); // function call //
    getch();
}
void add() // function defenation //
{
int a,b,c;
printf("enter two number= ");
scanf("%d %d",&a,&b);
c=a+b;
printf("sum is [ %d ]",c);

}
     

#######################

All rights goes to $[UB codes]$

#######################

<--------------------------------------------->

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