Synopsis
(macro) int mda_IsValidModel(int model)
Purpose
Test if model is valid.
Description
Given a model, determine if it is a valid model number. A valid model is one which is within the range of models (i.e. 0 <= model < MDA_MAXMODEL) and which has been allocated (but not freed).
Input
model
Model number to be checked
Return
0 if model number is not valid
1 if model number is valid
.fi