C IN QUESTIONS

                           QUESTIONS 

Q1. What number of the tokens in this  C statement ?
        printf("hello friend");

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Q2. What is Output of this program?

              #include<stdio.h>

              main()

            {  

            printf(""hello"");

     }

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 Q3. What is Output of this program ?

         #include<stdio.h>

          main()

          {  

          printf("hello\r ");

  }

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Q4. What is return value in C program ?

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Q5.  What is  diffreance between Structure and Union ?  

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