Difference between calloc and realloc

Answer 1

This article explains it neatly. Go have a read:
“C Programming Language: Functions — malloc(), calloc(), realloc(), and free()” by jraleman https://link.medium.com/eUqgDuNcL1

Answer 2

This link will gives your answer
go through it
https://www.geeksforgeeks.org/dynamic-memory-allocation-in-c-using-malloc-calloc-free-and-realloc/

Answer 3

calloc is used to get a chunk of memory from heap area....
Used for getting memory during runtime or dynamically....
Realloc is used to change the size or reallocate the memory which we get dynamically