HP-UX C SIP Stack Message Layer Reference Guide (January 2008)

32 HP C SIP Stack Message Layer Reference Guide
Get and Set Functions
RvSipMsgGetHeaderExt()
hListElem
The handle to the current position in the list. Supply this value if you chose next
or previous in the location parameter. This is also an output parameter and will
be set with a link to requested header in the list.
hListElem
The handle to the current position in the list. Supply this value if you chose
“next” or “previous” in the location parameter. This is also an output parameter
and will be set with a link to requested header in the list.
pHeaderType
The type of retrieved header.
RETURN VALUES
Returns the header handle as void*, or NULL if there is no header to retrieve.