Hello,
          My name is Harini. I am studying BE (3rd
sem) cs.
1.      I want to know how to add the functions (written in
program) into library functions.
2.       Also what is the difference in declaring a
variable constant using the keyword const and using
preprocessor directive? 

 #define X 20
  main()
{

printf (�\n x=%d�,X);


}
/*  and */
main()
{
const int x=20 ;  
printf(�\n x=%d�,x);
}


3.How to terminate a program in �C� by just pressing
escape key without using any option for exit (0)?
Bye,
Harini



                
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