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  • Question
  • Differentiate between realloc() and free().


  • Correct Answer
  • - Free() - A block of memory previously allocated by the malloc subroutine is freed by free subroutine Undefined results come out if the Pointer parameter is not a valid pointer If the Pointer parameter is a null value, no action will take place - Realloc() - This subroutine changes the size of the block of memory pointed to by the Pointer parameter to the number of bytes specified by the Size parameter and returns a new pointer to the block The pointer specified by the Pointer parameter must be created with the malloc, calloc, or realloc subroutines and should not be deallocated with the free or realloc subroutines Undefined results show up if the Pointer parameter is not a valid pointer 


  • More questions

    • 1. How would you automatically transfer your visitors to a new web page?
    • Discuss
    • 2. The threshold limit upto which coins can be issued as per the Coinage Act 2011 ?

    • Options
    • A. 100
    • B. 200
    • C. 500
    • D. 1000
    • Discuss
    • 3. Cash Reserve Ratio ( CRR) and Stautory Liquidity Ratio (SLR ) are terms most closely related to which of the following industries/markets :

    • Options
    • A. Mutual Fund
    • B. Income Tax
    • C. Stock Exchange
    • D. Banking
    • Discuss
    • 4. What is the minimum period of time for which one can open an FD(Fixed Deposit) account ?

    • Options
    • A. 15 days
    • B. 6 months
    • C. 7 days
    • D. 1 year
    • Discuss
    • 5. Which Bank has been given scheduled bank status by RBI ?

    • Options
    • A. Disha
    • B. Suryoday
    • C. Janalakshmi
    • D. Ujjivan
    • Discuss
    • 6. Which class is used to indicate Black Navigation Bar ?

    • Options
    • A. .navbar-inverse
    • B. .navbar-black
    • C. .navbar-dark
    • D. .navbar-default
    • Discuss
    • 7. The journal entry to record a credit sale is

    • Options
    • A. Accounts Receivable
    • B. Accounts Payable
    • C. Both A & B
    • D. None of the above
    • Discuss
    • 8. What is CRR rate?
    • Discuss
    • 9. Which among the following are not access Specifiers in C++?

    • Options
    • A. Public
    • B. Protected
    • C. Default
    • D. Private
    • Discuss
    • 10. In which year, the first bank of India "Bank of Hindustan" was established ?

    • Options
    • A. 1677
    • B. 1770
    • C. 1796
    • D. 1831
    • Discuss


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