Modification for 'C program while using it in TURBO C++


    #include <stdio.h>
--> #include <conio.h>
    void main()
    {
-->  clrscr();       // Use this statement below variables decleration
     printf("Hello world\n");
-->  getch();
    } 
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conio.h : console input and output 

clrscr(): to clear screen, every time you run your program

getch(): to halt the screen to view your output, and as soon as you enter any char. your program terminates