Solstice X.25 9.2 Developer's Guide

12.7.2.14 Called Line Address Modified Notification

This is a read-only facility received in either the Call Accepted or Clear Indication packets. It is read as follows:

u_char   line_addr_mod;
 f.type = T_LINE_ADDR_MOD;
 error = ioctl(s, X25_GET_FACILITY, &f);
 line_addr_mod = f.f_line_addr_mod;