-@pre \p header has a field type equivalent to the field type returned by
- bt_ctf_trace_get_packet_header_type() for the parent trace class
- of \p packet.
-@postrefcountsame{packet}
-@postsuccessrefcountinc{header}
-
-@sa bt_ctf_packet_get_header(): Returns the trace packet header field
- of a given packet.
+@pre <strong>\p header, if not \c NULL</strong>, has a field type equivalent to
+ the field type returned by bt_ctf_trace_get_packet_header_type() for the
+ parent trace class of \p packet.
+@postrefcountsame{event}
+@post <strong>On success, if \p header is not \c NULL</strong>, the reference
+ count of \p header is incremented.
+
+@sa bt_ctf_packet_get_header(): Returns the trace packet header field of a given
+ packet.