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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

SEE ALSO

libsip(3LIB)

Index

NAME

SYNOPSIS

DESCRIPTION

RETURN VALUES

ERRORS

ATTRIBUTES

SEE ALSO

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