Coding problem to solve: Delete a dynamic array of structures

Objective: Write a function $`$delete$\_$present$\_$list$`$ to free all memory allocated for an array of structures containing dynamically allocated strings and return a null pointer in c

Function Signature to use for the program:

struct present$*$ delete$\_$present$\_$list$($struct present$*$ present$\_$list, int num$)$;

Structure Definition:

struct present $\{$

char $*$present$\_$name;

float price;

$\}$

Edge Cases, must account for all:

Null Pointer for present$\_$list: When passed to the function, the present$\_$list is NULL. The function should gracefully handle this case by returning NULL immediately.

Zero Presents $($num $=0)$: The num parameter is $0,$ indicating no presence in the list. The function should handle this case without attempting to access or free any memory.

Null Pointers within present$\_$list: Some present$\_$name pointers within the present$\_$list array are NULL. The function should check each present$\_$name before attempting to free it$.$

Memory Allocation Failures $($Hypothetical$)$: consider what will happen if present$\_$name allocations had failed during the list's creation. This might require handling NULL pointers within the array.

Criteria for code, must include all:

Correct function signature and parameter types.

Correctly handles the case where present$\_$list is NULL

Properly iterates through the array to access each structure

Correctly frees each dynamically allocated string in the array

Correctly frees the dynamically allocated array

Returns $`$NULL$`$ after freeing all allocated memory.

Clear, well$-$commented, and properly formatted code

Handles edge cases, such as an empty array or $`$NULL$``$present$\_$name$`$ pointers within the array.