# Synopsis

PDX_MSGT step_HeaderDbptr(long option, int model, MDA_PTR *desc_ptr, MDA_PTR *name_ptr, MDA_PTR *schema_ptr)

# Purpose

Get the database pointers to the Part 21 header entities of a step model.

# Description

Searches a given model for the Part 21 header entities (FILE_DESCRIPTION, FILE_NAME, and FILE_SCHEMA). A replacement value of NULL can be passed to the function if certain entities are not wanted. For Example:

step_HeaderDbptr(MDA_NOOPT,model,&desc_ptr,NULL,&schema_ptr);

# Input

## option

Option (Not Used)

## model

Model ID

## desc_ptr

Address of FILE_DESCRIPTION structure

## name_ptr

Address of FILE_NAME structure

## schema_ptr

Address of FILE_SCHEMA structure

# Output

## desc_ptr

Model's FILE_DESCRIPTION structure

## name_ptr

Model's FILE_NAME structure

## schema_ptr

Model's FILE_SCHEMA structre

# Return

STEP_NOERR or error code