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22 Chapter 2

Supported ACSE/Presentation and ROSE Calls

ACSE/Presentation Calls and Primitives

The primitives are grouped in the sequence used in an application. For

example, the A_ASSOC_xxx primitives are listed in the order:

A_ASSOC_REQ (request)

A_ASSOC_IND (indication)

A_ASSOC_RSP (response)

A_ASSOC_CNF (confirmation)

In the manpages entitled ap_intro and ap_env, you’ll ﬁnd introductions

to the A/P environment and the A/P library environment attributes.

They also supply detailed descriptions or references made in this

manual. The manpages are accessible online with the manpage function

of HP-UX.

Included here are tables of attributes that provide:

• Name and purpose of each attribute

• Data types legal for the attribute

• Default values supplied with attribute (if any)

• Values legal for the attribute (if applicable)

• Readable states for the attribute (as values of the AP_STATE

attribute)

• Writable states for the attribute (as values of the AP_STATE

attribute)

The following lists A/P functions ﬁrst by task, then by call in alphabetic

order in Table 2-1. The supported primitives are described in Table 2-2.

A/P Functions

The A/P calls can be separated into functions that perform the following

tasks:

• Establish/release the communication endpoint:

ap_open()

ap_close()

• Manage the ACSE/Presentation environment:

HP 800 Programmer's Guide

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