#define SIGROKDECODE_ERR_MALLOC -2 /* Malloc/calloc/realloc error */
#define SIGROKDECODE_ERR_ARGS -3 /* Function argument error */
#define SIGROKDECODE_ERR_PYTHON -4 /* Python C API error */
+#define SIGROKDECODE_ERR_DECODERS_DIR -5 /* Protocol decoder path invalid */
+
+/* The list of loaded protocol decoders. */
+GSList *list_pds;
/* TODO: Documentation. */
struct sigrokdecode_decoder {