The dynamic memory allocation functions are defined in which system header file

Introduction to Dynamic Memory Allocation in C There are four functions malloc(), calloc(), realloc() and free() present in <stdlib.16 Ara 2021

When the allocation of memory performs at the compile time, then it is known as static memory. When the memory allocation is done at the execution or run time, then it is called dynamic memory allocation.

To allocate memory dynamically, library functions are malloc() , calloc() , realloc() and free() are used. These functions are defined in the <stdlib. h> header file.