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NAME

sip_copy_start_line, sip_copy_header, sip_copy_header_by_name, sip_copy_all_headers - copy headers from a SIP message
 

SYNOPSIS

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

int sip_copy_start_line(sip_msg_t from_msg, sip_msg_t to_msg);

int sip_copy_header(sip_msg_t sip_msg, sip_header_t sip_header, 
    char *param);

int sip_copy_header_by_name(sip_msg_t from_msg, sip_msg_t to_msg, 
    char *header_name, char *param);

int sip_copy_all_headers(sip_msg_t from_msg, sip_msg_t to_msg);

DESCRIPTION

The sip_copy_start_line() function copies the start line, a request or a response line, from from_msg to to_msg.

The sip_copy_header() function copies the SIP header specified by sip_header to the SIP message sip_msg. A new SIP header is created from sip_header and param, and is appended to sip_msg. The param can be non-null.

The sip_copy_header_by_name() function copies the header specified by header_name (long or short form) from from_msg to to_msg. The new header is created using the header value from from_msg and param, if non-null, and appended to to_msg.

The sip_copy_all_headers() copies all the headers from from_msg to to_msg.  

RETURN VALUES

These functions return 0 on success and the appropriate error on failure.

The value of errno is not changed by these calls in the event of an error.  

ERRORS

These functions can return one of the following errors in case of failure:

EINVAL

If the required input parameters are NULL or if the header being copied does not exist or is deleted in source SIP message.

ENOMEM

Error while allocating memory for creating the new header.

EPERM

If the input SIP message cannot be modified.

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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