Name | Synopsis | Description | Return Values | Errors | Attributes | See Also
cc [ flag ... ] file ... -lsip [ library ... ] #include <sip.h> int sip_add_header(sip_msg_t sip_msg, char *header_string);
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.
The sip_add_header() function returns 0 on success and the appropriate error value on failure.
On failure, the sip_add_header() function can return one of the following error values:
Mandatory parameters are not provided, i.e. null.
The message cannot be modified.
Error allocating memory for creating headers/parameters.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Interface Stability |
Stable |
MT-Level |
MT-Safe |
Name | Synopsis | Description | Return Values | Errors | Attributes | See Also