extern int afb_hreq_post_add_file(struct afb_hreq *hreq, const char *name, const char *file, const char *data, size_t size);
extern int afb_hreq_post_add(struct afb_hreq *hreq, const char *name, const char *data, size_t size);
extern int afb_hreq_post_add_file(struct afb_hreq *hreq, const char *name, const char *file, const char *data, size_t size);
extern int afb_hreq_post_add(struct afb_hreq *hreq, const char *name, const char *data, size_t size);