'\" tr.\" -*- nroff -*-.\".\" @(#) appq.9,v 1.1.4.1 2004/01/12 23:32:58 brian Exp.\".\" =========================================================================.\".\" Copyright (C) 2001-2004  OpenSS7 Corp. <www.openss7.com>.\".\" All Rights Reserved..\".\" Permission is granted to make and distribute verbatim copies of this.\" manual provided the copyright notice and this permission notice are.\" preserved on all copies..\".\" Permission is granted to copy and distribute modified versions of this.\" manual under the conditions for verbatim copying, provided that the.\" entire resulting derived work is distributed under the terms of a.\" permission notice identical to this one.\" .\" Since the Linux kernel and libraries are constantly changing, this.\" manual page may be incorrect or out-of-date.  The author(s) assume no.\" responsibility for errors or omissions, or for damages resulting from.\" the use of the information contained herein.  The author(s) may not.\" have taken the same level of care in the production of this manual,.\" which is licensed free of charge, as they might when working.\" professionally..\" .\" Formatted or processed versions of this manual, if unaccompanied by.\" the source, must acknowledge the copyright and authors of this work..\".\" =========================================================================.\".\" Modified 2004/01/12 23:32:58 by brian.\".\" =========================================================================.so lis.macros.R1bracket-label "\fR[\fB" "\fR]" "\fR, \fB"no-default-databasedatabase lis.refsaccumulatemove-punctuationabbreviate Ajoin-authors ", " ", " " and "et-al " et al" 2 3abbreviate-label-ranges ".."sort-adjacent-labels.R2.\".\".TH APPQ 9 "2004/01/12 23:32:58" "LiS-2_16_18-8" "Linux STREAMS DDI/DKI".SH NAME.B appq\- append a \fISTREAMS\fR message after another.SH SYNOPSIS.PP.B #include <sys/stream.h>.HP 8.BI "appq(queue_t *" q ", mblk_t *", mp1 ", mblk_t *" mp2 );.SH DESCRIPTION.PP.BR appq ()appends the.IR STREAMS (4)message.I mp2just after the message.I mp1already on queue.IR q .If there is no message after.I mp1in the queue.IR q ,this has the same effect ascalling.BR putq (9)with.IR mp2 ..SH "RETURN VALUES".PP.BR appq ()returns.BR void ..SH ERRORS.PP.BR appq ()silently fails if any of.IR q ", " mp1 " or " mp2is.BR NULL ..BR appq ()fails silently and frees the message.I mp2if.I qis not.BR NULL ,but does not point to a valid queue structure..SH CAVEATS.PP.BR appq ()is implemented with a call to.BR insq (9).\fB\)appq(\fI\)q\fB\), \fI\)mp1\fB\), \fI\)mp2\fB\))\fRis functionally equivalent to\fB\)insq(\fI\)q\fB\), \fI\)mp1->b_next\fB\), \fI\)mp2\fB\))\fR..SH "SEE ALSO".PP.BR insq (9),.BR putq (9),.BR putbq (9)..SH VERSIONS.PP.BR appq ()is an.BR LiS -specificfunction..[LiS.].\".\".XX.[magic.].[svr42.].[svr4.].\".\".[$LIST$.].TA