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sip_add_header(3SSession Initiation Protocol Library Functsip_add_header(3SIP)

NAME
       sip_add_header - add a SIP header to the SIP message

SYNOPSIS
       cc [ flag ... ] file ... -lsip [ library ... ]
       #include <sip.h>

       int sip_add_header(sip_msg_t sip_msg, char *header_string);

DESCRIPTION
       The  sip_add_header() function takes the SIP header header_string, adds
       a CRLF (carriage return/line feed) and appends it to  the  SIP  message
       sip_msg.	 The sip_add_header() function is typically used when adding a
       SIP header with multiple values.

RETURN VALUES
       The sip_add_header() function returns 0 on success and the  appropriate
       error value on failure.

ERRORS
       On failure, the sip_add_header() function can return one of the follow‐
       ing error values:

       EINVAL	 Mandatory parameters are not provided, i.e. null.

       EPERM	 The message cannot be modified.

       ENOMEM	 Error allocating memory for creating headers/parameters.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Stable			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │MT-Level		     │MT-Safe			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       libsip(3SIP)

SunOS 5.10			  20 Mar 2007		  sip_add_header(3SIP)

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