SylFilter

XMessageData *xfilter_message_data_new(const char *src, const char *mime_type);

XMessageData *xfilter_message_data_read_file(const char *file, const char *mime_type);

void	 xfilter_message_data_free(XMessageData *msgdata);

void	 xfilter_message_data_set_content(XMessageData *msgdata, char *content);

void	 xfilter_message_data_set_attribute(XMessageData *msgdata, XMessageAttr attr, const char *value, int append);

void	 xfilter_message_data_copy_attributes(XMessageData *msgdata, const XMessageData *srcdata);

const char *xfilter_message_data_get_mime_type(const XMessageData *msgdata);

const char *xfilter_message_data_get_content(const XMessageData *msgdata);

const char *xfilter_message_data_get_attribute(const XMessageData *msgdata, XMessageAttr);