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6 .TH SIP_ADD_BRANCHID_TO_VIA 3SIP "Jan 25, 2007"
8 sip_add_branchid_to_via \- add a branch parameter to the topmost VIA header in
13 \fBcc\fR [ \fIflag\fR ... ] \fIfile\fR ... \fB-lsip\fR [ \fIlibrary\fR ... ]
16 \fBint\fR \fIsip_add_branchid_to_via\fR(\fBsip_msg_t\fR \fIsip_msg\fR, \fBchar *\fR\fIbranchid\fR);
22 The \fBsip_add_branchid_to_via()\fR function adds a branch \fIparam\fR to the
23 topmost \fBVIA\fR header in the \fBSIP\fR message \fIsip_msg\fR. Note that a
24 new header is created as a result of adding the branch parameter and the old
25 header is marked deleted. Applications with multiple threads working on the
26 same \fBVIA\fR header need to take note of this.
30 These functions return \fB0\fR on success and the appropriate error value on
35 On failure, functions that return an error value may return one of the
43 Mandatory parameters are not provided or are NULL.
45 For \fBsip_add_branchid_to_via()\fR, the topmost \fBVIA\fR header already has a
46 branch \fIparam\fR or the \fBSIP\fR message does not have a \fBVIA\fR header.
55 The message cannot be modified.
64 There is an error allocating memory for creating headers/parameters.
70 See \fBattributes\fR(5) for descriptions of the following attributes:
78 ATTRIBUTE TYPE ATTRIBUTE VALUE
80 Interface Stability Committed