/*Header files in c++
*********************/
/*the header files are the files with extension.h.it keep your code more organized.it allow you to
sperate interface for implementation.more managibility of large programm.there are two types of
header files.
1.system header file
2.user define header files
1.system header file
system header files comes with the compiler.
2.user define header files
user define header files written by the programmer.
syntax:
#include"hamza.h"*/
#include<iostream>
#include"hamza.h" //here i make a user define header file
using namespace std;
int main()
{
int a,b;
cout<<"please enter the first value:";
cin>>a;
cout<<"please enter the second value:";
cin>>b;
cout<<"sum is:"<<add(a,b)<<endl;
cout<<"sub is:"<<sub(a,b)<<endl;
cout<<"multi is:"<<mul(a,b)<<endl;
cout<<"div is:"<<div(a,b)<<endl;
}
//code of user define header file
int add(int x,int y)
{
return x+y;
}
int sub(int x, int y)
{
return x-y;
}
int mul(int x, int y)
{
return x*y;
}
int div(int x, int y)
{
return x/y;
}
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