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Solstice X.25 9.2 Developer's Guide

6.4.1 N_Abort--Abort Indication

Description

N_Abort is used when the X.25 driver needs to send a Disconnect to the application, but there is no resource available in the system to construct a full Disconnect Indication message. For this reason, this message should rarely be received. The control part of an Abort Indication message has a format defined in the xabortf structure. There is no data part.

Note -

This message only appears in a getmsg, never in a putmsg. Example 6-1 shows how a getmsg can be constructed.

The xabortf structure is shown below:

struct xabortf {
      unsigned char xl_type; /* Always XL_CTL */
      unsigned char xl_command; /* Always N_Abort */
 };