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Which Function Reallocates Memory Mcq?

James H. Sterling • • 6 min read
Which Function Reallocates Memory Mcq?

realloc() : increases or decrease the size of the specified block of memory. Reallocates it if needed. calloc

calloc
“realloc” or “re-allocation” method in C is used to dynamically change the memory allocation of a previously allocated memory. In other words, if the memory previously allocated with the help of malloc or calloc is insufficient, realloc can be used to dynamically re-allocate memory.
() : allocates the specified number of bytes and initializes them to zero.

Which function should be used to free the memory?

Function used to free the memory allocated by calloc() - free();

What does the function calloc do Mcq?

The calloc() function allocates space for an array of n objects, each of whose size is defined by size. Space is initialized to all bits zero. Explanation: void *calloc(size-t n, size-t size); This function is used to allocate the requested memory and returns a pointer to it.

James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.