int(* FileMatch)(DetectEngineThreadCtx *, Flow *, uint8_t flags, File *, const Signature *, const SigMatchCtx *)
#define DETECT_CONTENT_NEGATED
int DetectContentDataParse(const char *keyword, const char *contentstr, uint8_t **pstr, uint16_t *plen)
Parse a content string, ie "abc|DE|fgh".