User Defined Header File

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                                "ALL.H"

                Header File

#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#include<dos.h>
#include<complex.h>
#include<process.h>
#include<iomanip.h>

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/*It contain all the header file required by any program. So to reduce the labour of writing them in every program, We can combine them in a header file named ALL.H by saving it in "C:\TURBOC3\INCLUDE\ALL.H". Now we just need to include this Header file and other will be added automatically.*/