# Synopsis

(macro) int mda_GetPtrModel(MDA_PTR db_ptr)

# Purpose

Extract the model number from a database pointer.

# Description

The model number is extracted from the database pointer and returned. If the database pointer is null (i.e. MDA_NULL_PTR), the model number MDA_NULL_MODEL will be returned.

# Input

## db_ptr

The database pointer to extract the model number from

# Return

The model number the pointer is defined in or MDA_NULL_MODEL