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sip_add_header(3SIP) Session Initiation Protocol Library Functions sip_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 following 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 |Committed | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
libsip(3LIB) SunOS 5.11 09 Feb 2007 sip_add_header(3SIP)