* At the top level, the c_first_hf list has a list of all message
* headers. If the content-type is multipart (c_type == CT_MULTIPART)
* then c_ctparams will contain a pointer to a struct multipart.
* At the top level, the c_first_hf list has a list of all message
* headers. If the content-type is multipart (c_type == CT_MULTIPART)
* then c_ctparams will contain a pointer to a struct multipart.