What happens if you attempt to free the same block of memory twice in C?
A. It leads to undefined behavior
B. The program terminates
C. Memory is released, but the pointer remains valid
D. Memory is leaked
Answer: Option A
A. It leads to undefined behavior
B. The program terminates
C. Memory is released, but the pointer remains valid
D. Memory is leaked
Answer: Option A
In C, which header file should be included to use dynamic memory allocation functions?
A. stdlib.h
B. malloc.h
C. memory.h
D. alloc.h
What is the purpose of the 'malloc' function in C?
A. To allocate dynamic memory
B. To allocate static memory
C. To deallocate memory
D. To find memory leaks
Which function is used to allocate an array of elements in C?
A. calloc()
B. malloc()
C. alloc()
D. array()
What does the 'calloc' function in C do?
A. Allocates and initializes memory to zero
B. Allocates memory and leaves it uninitialized
C. Deallocates memory
D. Checks for memory leaks
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