HP 800 ACSE/Presentation and ROSE Interface Programmer's Guide - Page 24

ACSE/Presentation Primitives

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Supported ACSE/Presentation and ROSE Calls ACSE/Presentation Calls and Primitives A/P Call ap_rcv() ap_set_env() ap_snd() Description Receive an A/P primitive over an association. User data may be associated with the primitive. Set an attribute in the A/P environment. Send an A/P primitive over an association. User data may be associated with the primitive. Table 2-2 ACSE/Presentation Primitives The following table lists the supported ACSE/Presentation layer service primitives. These primitives are used with the ap_rcv() and ap_snd() calls as described below. Some of the primitives contain a shorter name in BOLD under the primitive's name. On systems that support a maximum length of 14 characters for file names, use the name listed in bold with the MAN feature. Primitives with no short name can be used on all systems. 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) ASCE/Presentation Primitives Primitives A_ABORT_REQ A_ABORT_IND A_ASSOC_REQ Description Used with ap_snd() to request the abnormal release of an association. Used with ap_rcv() to indicate the abnormal release of an association. Used with ap_snd() to initiate establishing an association. 24 Chapter 2

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24
Chapter 2
Supported ACSE/Presentation and ROSE Calls
ACSE/Presentation Calls and Primitives
ACSE/Presentation Primitives
The following table lists the supported ACSE/Presentation layer service
primitives. These primitives are used with the ap_rcv() and ap_snd()
calls as described below.
Some of the primitives contain a shorter name in BOLD under the
primitive's name. On systems that support a maximum length of 14
characters for file names, use the name listed in bold with the MAN
feature. Primitives with no short name can be used on all systems.
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)
Table 2-2
ASCE/Presentation Primitives
ap_rcv()
Receive an A/P primitive over an
association. User data may be
associated with the primitive.
ap_set_env()
Set an attribute in the A/P
environment.
ap_snd()
Send an A/P primitive over an
association. User data may be
associated with the primitive.
A/P Call
Description
Primitives
Description
A_ABORT_REQ
Used with ap_snd() to request the abnormal release
of an association.
A_ABORT_IND
Used with ap_rcv() to indicate the abnormal release
of an association.
A_ASSOC_REQ
Used with ap_snd() to initiate establishing an
association.