C INTERVIEW QUESTIONS AND ANSWERS

Title
CAN ARRAY SIZE BE DECLARED AT RUN TIME?
WHAT IS MEMORY LEAK IN C?
WHAT HAPPENS WHEN WE TRY TO ACCESS NULL POINTER IN C?
WHAT IS MEANT BY SEGMENTATION FAULT OR MEMORY FAULT IN C?
WHAT IS MEANT BY CORE DUMP IN C?
CAN A POINTER BE FREED MORE THAN ONCE IN C? WHAT HAPPENS IF DO SO? OR CAN A POINTER BE FREED TWICE IN C?
WHAT IS THE SIZE OF INT POINTER AND CHAR POINTER IN C?
HOW WILL YOU PRINT THE VALUE AND ADDRESS OF A POINTER VARIABLE (EXAMPLE INT *P) IN C?
HOW WILL YOU PRINT THE VALUE AND ADDRESS OF A NORMAL VARIABLE IN (EXAMPLE INT P) C?
WHAT ARE LIBRARY FUNCTIONS AND THEIR USE IN C LANGUAGE? CAN WE WRITE OUR OWN FUNCTIONS AND INCLUDE THEM IN C LIBRARY?
CAN VARIABLE NAME BE START WITH UNDERSCORE IN C?
CAN VARIABLE NAME HAVE SPECIAL SYMBOLS IN C?
WHAT IS INLINE FUNCTION IN C?
IS IT POSSIBLE TO PRINT “HELLO WORLD” WITHOUT SEMICOLON IN C? HOW?
WHAT IS THE SCOPE OF LOCAL, GLOBAL AND ENVIRONMENT VARIABLES IN C?
WHY ARE WE USING POINTERS IN C?
WHAT IS STATIC VARIABLE IN C?
WHAT IS EXTERN AND STATIC FUNCTION IN C?
WHAT IS THE DIFFERENCE BETWEEN POINTER AND ARRAY IN C?
WHAT IS THE USE OF MAIN() FUNCTION IN C?

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