#define CTF_ADD_NONROOT 0 /* Type only visible in nested scope. */
#define CTF_ADD_ROOT 1 /* Type visible at top-level scope. */
+extern int ctf_errno (ctf_file_t *);
+extern const char *ctf_errmsg (int);
extern void ctf_setdebug (int debug);
extern int ctf_getdebug (void);