Use modern C++ casts instead of current C-style casting approaches

### Description

Update various API implementations that use c-style pointer casting and other c-style approaches to use modern C++ casts.

### Is this a breaking change?

The function signatures would remain unchanged
The behavior of the functions would be identical
User code that calls these functions wouldn't need any modifications

### Additional information

Modernizes the code base. Compilers will optimize these the same, but coding standards favor using C++ cast in C++ code.

Comienza localizando las implementaciones de la API que utilizan C-style pointer casts u otros C-style casting approaches. Reemplaza los casts pertinentes por modern C++ casts, conservando las function signatures y el comportamiento; después, verifica que las implementaciones sigan compilándose y se comporten de forma idéntica.

Escrito por el modelo de indexación a partir del texto del issue.