Question

To deal locate memory in runtime which function is used in Ctanguage and where it is defined?​

Answer 1

Answer:

This is known as dynamic memory allocation in C programming. ... To allocate memory dynamically, library functions are malloc() , calloc() , realloc() and free() are used. These functions are defined in the <stdlib. h> header file.

malloc() function is used for allocating block of memory at runtime. This function reserves a block of memory of the given size and returns a pointer of type void . This means that we can assign it to any type of pointer using typecasting. If it fails to allocate enough space as specified, it returns a NULL pointer.

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