[ CCode ( instance_pos = 2.9 ) ]
[ Version ( since = "9.0.0" ) ]
public delegate void HeaderFunc (string name, string value)
It is called with each header name/value pair, together with the user_data parameter which is passed to
foreach_header and so on.
| name |
A header name. |
| value |
The value corresponding to the name. |
| user_data |
User data passed to foreach_header and so on. |