116. Which of the following is not a valid variable name declaration?

1. 1. int __B11;

   
   
   

   2. int __11b;

   
   
   

   3. int __b11;

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   int a = 12; is a valid variable name declaration.

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117. C99 standard guarantees uniqueness of _____ characters for external names.

1. 1. 12

   
   
   

   2. 6

   
   
   

   3. 14

   
   
   

   4. 31

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   ISO C99 compiler may consider only first 31 characters for external names.

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118. C99 standard guarantees uniqueness of ____ characters for internal names.

1. 1. 63

   
   
   

   2. 31

   
   
   

   3. 14

   
   
   

   4. 12

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   ISO C99 compiler may consider only first 63 characters for internal names.

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