How can I pass NULL to a function that I call in a generic DLL?

My DLL has a function that takes in a pointer, and I want to pass NULL to it.

Answer 1

[MathWorks Support Team]

There are four ways to send NULL to your function

1. Send a 0.

2. Send p after creating p in one of the following ways:

2a. p=libpointer()

2b. p=libpointer('string')

2c. p=libpointer('stringPtr')