Malloc() VS Calloc(): Explore the Difference between malloc() and calloc()
malloc() and calloc() functions are used for dynamic memory allocation in the C programming language. The main difference between the malloc() and calloc() is that calloc() always requires two arguments and malloc() requires only one.
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What is malloc()?
The malloc is also known as the memory allocation function. malloc() dynamically allocates a large block of memory with a specific size. It returns a void type pointer and is cast into any form.
Difference Between malloc() and calloc() PDF
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What is calloc()?
The calloc() function allocates a specific amount of memory and initializes it to zero. The function can be cast to the desired type when it returns to a void pointer to the memory location.
Difference between malloc() and calloc()
| S.No. | malloc() | calloc() |
| 1. | malloc() function creates a single block of memory of a specific size. | calloc() function assigns multiple blocks of memory to a single variable. |
| 2. | The number of arguments in malloc() is 1. | The number of arguments in calloc() is 2. |
| 3. | malloc() is faster. | calloc() is slower. |
| 4. | malloc() has high time efficiency. | calloc() has low time efficiency. |
| 5. | The memory block allocated by malloc() has a garbage value. | The memory block allocated by calloc() is initialized by zero. |
| 6. | malloc() indicates memory allocation. | calloc() indicates contiguous allocation. |
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